One pair of Purple Pro Series original OSO barbell collars. This revolutionary design is the gold standard for Olympic Barbell Collars. This item is a must any functional fitness program that uses Olympic weights and bars.
· Sold in Pairs
· Made in the USA
· Designed to be used on 50mm Olympic Bar Sleeves
· 6061 Billet Aircraft Grade Aluminum
· Rubberized interior lining to protect bar
· Locking clamp mechanism for secure hold