The Hardbody Hardlock Slim Barbell Collars are built for secure plate retention in a compact, space-saving design. Featuring integrated magnetic storage, they can be conveniently attached to racks or rigs when not in use. A slim profile construction combined with a quick-lock system delivers strong, reliable performance while maximising available sleeve space for heavier lifts. Technical Details: Designed for 50mm barbells Slim profile design Integrated magnetic storage system Premium reinforced construction Quick-lock fastening system Optimised sleeve space efficiency Sold as a pair Product Materials: Reinforced Composite Body: Strong and durable material engineered to withstand heavy training while maintaining a lightweight feel. Precision Locking System: Provides secure plate retention and quick operation between sets. Integrated Magnets: Allow the collars to be securely attached to metal gym equipment and storage surfaces when not in use. Protective Grip Inserts: Designed to improve barbell sleeve contact and reduce movement during lifts. Product & Material Care: Avoid excessive impact or throwing the collars, as this may reduce the lifespan of the locking components. How to clean the collars: Use a microfibre cloth with mild soapy water and wipe all surfaces clean. Allow to air dry naturally before storage.