Strauss Barbell Lock Collar | Multi-Function Power Cage Rack Crossfit Attachment| J-Hook | Weight Plate Holder | Gym Equipment Ideal for Workout, Weightlifting, Fitness & Strength Training,(Black) 2" BARBELL CLAMPS: It is the professional standard barbell clips with the inner diameter of 2 inch. Suitable for mixed fitness exercise, weightlifting, standard weightlifting, lifting, deadlifts, bench press and other workout using a 2" standard barbell. QUICK RELEASE: Fast locking and release action make this pair of barbell clamps easy to open as well as close with one finger. Installation and disassembly can be finished just in a few seconds, time-saving when replacing the barbell clamps. PROTECT BARBELL: Its two rubber pads on both sides can increase buffering effect and friction, effectively prevent your barbell from scratch and rubbing. PREMIUM MATERIAL: Reinforced plastic and high-strength nylon material make this set of barbell clips durable in long-term use and it is so smooth that it will not scratch your barbell GREAT LOCK-JAW CLAMP: This one pair of Lock-Jaw Clamp can lock the barbell weight more tightly than the traditional spring barbell clip, which effectively prevent the barbell weight from falling. Your good choice for barbell clamps.