Product Description Size: 2.5Cm, 3Cm Color: Blue, Red, Black Material: Plastic Package Content: 2*Barbell Bar Buckle 1. 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 Close Just Close It And It'S Tight. 5.Fits: Barbell Clamps For Weightlifting, Powerlifting, Gym, Fitness, Crossfit, Weight Training, Strength Training, Triceps Trainer, Etc.