• Construction : These collars are manufactured in the 6061 billet aluminum same material serves for the aircraft parts. Lever Mechanism used for the safe gripping of the barbell.
• Dimensions: This collar only serves for the all the Olympic standard barbell as 6061 Billet Aluminum collar it has the 2 inch inner diameter.
• Gripping: The inner rubber is made up of natural rubber and holds the barbell sleeve after applying pressure by actuating lever on lock position.
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