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BLK BOX Aluminium Barbell Collars

SKU: 16-0648

The BLK BOX Aluminium Barbell Collars prevent your weight plates from moving when placed on your bar, allowing you to focus on your lift knowing your plates are secure, even during repeated high-impact drops. They have a simple lever and lock/unlock mechanism making them extremely easy to remove when required and have a rubber interior offering superior grip, while protecting the bar. These collars are sold in pairs and are compatible with all BLK BOX Barbells & Speciality Bars. They are manufactured from aluminium alloy for a high quality and durable finish

Thickness 38mm


50.4mm internal diameter (when locked)

Mass 0.5kg (per pair)
  • Aluminium Alloy 
  • Rubberized interior
  • High Density plastic locking clamp 
Colour Black
Sold in Pairs
Compatible with All BLK BOX barbells and speciality bars 

Are these sold individually or in pairs?

These are sold in pairs.

What BLK BOX Barbells are these compatible with?

These will fit all BLK BOX Barbells. When locked they are 50.4mm in diameter. 

What does each pair weigh?

Each pair is 0.5kg.

We aim to dispatch and deliver all in stock items within 2-10 working days depending on your location in the UK & Ireland.



We ship our orders via Parcel / 2 Man Delivery or Pallet depending on the size of your order and shipping fees will be calculated at checkout. To track your order click here for orders placed online; Track an Online Order and here for orders placed via our Sales team; Track an Offline Order



All deliveries are kerbside, it will be your responsibility to remove the items from the pallet on arrival and dispose of the pallet. You will receive an email from our Logistics team with a date of delivery. If you require an alternative delivery date or if there are any access restrictions to your property, please let us know within 24 hours before delivery by emailing Please be aware failure to do so may result in additional delivery charges.



Some of our training equipment is manufactured here in our HQ. The lead times on these products range from 10-25 working days and are identified by having the MADE IN BELFAST badge.



We understand at times due to size, colour or type some items might not be the right fit for you. We are happy to accept a returned item within 30 days from the date of you receiving the item for a refund or exchange.


To start a return click here; BLK BOX Returns


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