The curl bar and dumbbell handles secure weight plates effectively with their spring clip collars – giving you a hassle-free workout experience. Olympic Curl Bar & Dumbbell Handles ODC-21. What's Included One bar, pair of handles, 3 pairs of spring clip collars One bar, pair of easy-lock collars One bar, a pair of spin-lock collars One bar, a pair of spin-lock collars One bar, a pair of spin-lock collars.
