Introducing the
1, 3, 5 Series
The Evolution of Strength Training
- Designed for Performance
- Modular and Scalable
- Rapid Installation
At BLK BOX, we don’t stand still - we push boundaries. We refine, adapt, and innovate in our relentless Pursuit of Better, because progress never stops.
That’s why we’ve introduced the 1, 3, 5 Series - a new benchmark in rigs and power racks, built not just to meet expectations, but to exceed them. Whether you’re expanding a facility, or outfitting an elite training space, this range is designed to elevate performance, maximise space, and grow with you.
Built Better.
We’ve been manufacturing strength equipment in Belfast since 2012, sourcing local materials where possible.
As the UK’s largest strength equipment manufacturer, we control every step of production with state-of-the-art laser cutting, expert welding, CNC machining, and premium powder coating. This ensures equipment that not only meets but exceeds industry standards. Built to perform, made to last, and designed for those who demand the best.
1 Series
The foundation for any athlete’s training needs.
Designed in Belfast, this off-the-shelf series has a rapid lead time and is easy to install, all made with the BLK BOX quality we’re renowned for. The 1 Series is made from 60x60x3mm steel, laser-cut, and finished with a black powder coat. Rigs and power racks stand 2.2m tall, feature a notch system for hole separation, and come with sandwich J-Hooks as standard.
1 Series
- Rapid delivery Designed for speed, simplicity, and reliability, this range offers high-quality strength equipment with rapid availability - so you can set up and train without delay.
- BLK BOX quality Designed by BLK BOX to deliver performance and durability, each rig and rack in the 1 Series is built to meet the highest standards.
- Easy installation The 1 Series is the easiest range to assemble in the BLK BOX lineup. Each order includes instructions to help you get set up and start training quickly.
1 Series Features
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Storage Maximise space by adding storage to your racks
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Custom Branding Single layer brand plate available
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Attachments Enhance your Rigs and Racks with a range of attachments
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Colour Available in black only
1 Series
The Bottom Line
The 1 Series is an off-the-shelf solution, built for ease of installation and rapid delivery, it's designed for those who want BLK BOX-designed performance equipment without the wait.
3 Series
Future-proofed and modular design.
Engineered for growth, the 3 Series is the ultimate modular solution for independent gym owners and expanding commercial facilities. Designed to evolve with your space, it offers unrivalled scalability, extensive customisation, and compatibility with a wide range of attachments, creating a versatile training hub for athletes of all levels.
Built from 70x70x3mm steel, each rig and power rack is constructed for strength and longevity, featuring textured grip pull-up bars, 4-way numbered hole spacing, and height options of 2.2m or 2.4m to suit your facility.
Finished in our cutting-edge automatic powder coating line, the 3 Series delivers a high-quality, durable finish that is environmentally friendly and built to withstand the demands of any training environment.
3 Series
- Modularity Designed to grow with your facility, the 3 Series features a modular framework that allows for unlimited expansion. Whether adding extra bays or integrating attachments, this system adapts to demand - maximising space efficiency and enhancing training versatility.
- 4-Way hole spacing The 3 Series includes 4-way numbered hole spacing, allowing for quick, consistent, and hassle-free adjustments. This ensures attachments and accessories can be set up effortlessly for optimal positioning every time.
- Customisation Every facility is unique, and so is the 3 Series. Available in a range of preset colours, with custom branding solutions, this system is designed to reflect your identity and elevate your training environment.
3 Series Features
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Storage Maximise space by adding storage to your racks
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Modularity Add or remove racks and bays as required
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Customisation Custom brand plates and stack guards available
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Attachments Enhance your Rigs and Racks with a range of attachments
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Cable Integration Minimise floor space required with integrated cables
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Colours 14 standard colours and bespoke colours available on request
3 Series
The Bottom Line
The 3 Series is the ultimate scalable training solution. Its modular design allows for future expansion, so your training space can grow as you do.
5 Series
For those who demand more.
Engineered for elite performance, the 5 Series is built to meet the demands of the highest level of sport and strength training. Trusted by Premier League clubs and world-class institutions like Loughborough University, this range is designed for those who refuse to compromise - delivering unrivalled durability, precision, and customisation.
Constructed from 80x80x3mm steel and backed by a lifetime guarantee, the 5 Series stands up to the rigorous demands of busy, high-performance facilities. Featuring textured grip pull-up bars, Westside hole spacing, and height options of 2.2m or 2.5m, it provides the ultimate training environment for serious athletes.
The 5 Series is available in a variety of colours and bespoke custom branding options, allowing facilities to create a standout training space built for success.
5 Series
- Customisable From colours to branding, the 5 Series range is fully customisable. Choose from 14 standard colour options, or create bespoke colours to match your facility's identity. Personalise your setup with custom brand plates, J-Hooks, Stack Guards, and colour highlights to make your training space truly unique.
- Performance ready The 5 Series range integrates with a variety of performance testing attachments, including Smith Machines, IMTP Testing Racks, and Rolling Jammer Arms, along with a wide selection of general attachments.
- Westside spacing Designed for precision and control, Westside hole spacing allows for micro-adjustments, ensuring optimal J-Hook placement and improved positioning for greater lifting efficiency and safety.
- Premium finish The 5 Series Stainless Steel model takes durability and precision one step further. Each rack is tailor-made to your exact specifications and crafted through a combination of advanced robotic welding and in-house craftsmanship.
5 Series Features
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Storage Maximise space by adding storage to your racks
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Modularity Add or remove racks and bays as required
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Customisation Custom brand plates, J-Hooks and colours available
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Attachments Enhance your Rigs and Racks with a range of attachments
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Cable Integration Minimise floor space required with integrated cables
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Colours 14 standard colours and bespoke colours available on request
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Stainless Steel 5 Series includes a premium Stainless Steel option
5 Series
The Bottom Line
Engineered for high-performance environments, the 5 Series is a powerhouse of durability, customisation, and strength.
Nexus Range
The next step in strength training’s evolution.
Available in both 3 and 5 Series, Nexus is the ultimate fusion of strength and functional training. Combining cable-based resistance with free-weight functionality, it delivers seamless transitions between training styles—maximising efficiency and unlocking unlimited workout potential in one space-saving system.
Nexus features two squat bays, twin 120kg cable columns, and dual pull-up stations, integrating J-Hooks and storage for a streamlined training experience. Its high-strength pulley adjuster system ensures smooth, secure movement, while its modular design allows for future expansion with a wide range of compatible attachments.
Nexus
The Bottom Line
For those who want cable-based resistance and free weights in one seamless system, Nexus delivers.
Built Your Way
We specialise in creating tailored configurations for globally renowned clients, from Premier League football clubs to leading educational institutions.
Our team excels at bringing your vision to life with fully customisable options. Showcase your brand identity by incorporating your logo, brand colours, and bespoke attachments, enhancing recognition, reinforcing your reputation, and ensuring your facility stands out in a competitive market.
Configurable
Our flexible design process and in-house manufacturing capabilities allow you to tailor rigs and racks with custom heights, ensuring a perfect fit for your facility.
Unique add ons
Enhance your training space with custom-built add-ons, including branded wall ball targets, monkey boards, and modular attachments.
Frequently Asked Questions about our Rigs and Racks
What are the key differences between the 1, 3, and 5 Series?
- 1 Series: Entry-level rigs and racks made from 60x60x3mm steel, designed for quick installation and rapid delivery.
- 3 Series: Modular and expandable, made from 70x70x3mm steel. Ideal if you’re looking for scalability and attachment compatibility.
- 5 Series: Premium and fully customisable, made from 80x80x3mm steel. Includes Westside hole spacing and advanced performance testing attachments.
Which series is best if space is at a premium?
The 1 Series is your best option. It offers a space-saving footprint, rapid delivery, and easy installation.
Can I expand or customise my rig over time?
Yes - if scalability is important, choose the 3 Series or 5 Series. Both offer modular designs with a wide range of compatible attachments and custom branding options.
Are the 3 Series and 5 Series suitable for professional and commercial use?
Absolutely. The 3 Series is ideal for independent gyms and group training environments, while the 5 Series is built for elite sports teams and facilities needing high durability, precision, and performance.
What customisation options are available?
The 1 Series is available in black only with limited branding options. The 3 and 5 Series offer full customisation including colour choices, laser-cut branding, integrated storage, and cable attachments.
Built Better.