Product DescriptionSize: 2.5cm, 3cmColor: blue, red, blackmaterial: plasticPackage content: 2*barbell bar buckle1. Robust materials: on a hole diameter of 25 mm / 30 mm, made of the hardest ABS plastic and can withstand even the heaviest weights and intensive training sessions.2. Advanced Design: Spring Powered Snap-Latch-Design to keep you safe, Faster than with classic spring locks, more safety during training because the weight plates are firmly and securely fixed.3. Durability: Thanks to the rubber strips on the inside, the locks are absolutely secure and prevent the panes from loosening or slipping.4. Easy to close: easy to open and closeJust close it and it's tight.5.Fits: barbell clamps for weightlifting, powerlifting, gym, fitness, crossfit, weight training, strength training, triceps trainer, etc.