Spinlock Collars Barbell Lock

Ideal solution for quick easy weight plate exchange.  
-Condition: 100% Brand New and  High Quality
-Material: ABS Plastic & Nylon
-Color: Black, Blue, Grey, Red, Yellow, Green, Pink
-internal diameter: 50mm(2")/ 30mm(1.2")/ 28mm(1.1")/ 25mm(1") for choice
-Suit for ：Screw type bar and Smooth type Bar
-Package: 1 pair ( 2 x Barbell Locks )