Adaptable design: Compatible with a wide range of barbell sizes, these weight clips/lock collars fit commonly used barbells and dumbbell screw accessories so you can use them across different bars and setups. Secure grip and safety: Engineered to hold plates firmly in place, these collars prevent weights from shifting during lifts, reducing distractions and lowering the risk of imbalance or injury. Multipurpose use: Functions as barbell weight clips, weightlifting lock collars, barbell clamps and fastening nuts—suitable for weight lifting, adjustable dumbbells that use screw accessories, and other plateloaded equipment. Reliable for home gyms: A practical accessory for home fitness enthusiasts, these collars provide dependable support for strength training, powerlifting movements and general conditioning routines. Performancefocused attributes: Designed to maintain a consistent, tight hold under repeated use and varied loads; compatible across a broad range of plate and bar setups without requiring special adapters. Common use scenarios Barbell training: Secure plates for squats, deadlifts and bench press to keep the load stable through fullrange lifts. Adjustable dumbbells: Use with dumbbell screw accessories to lock plates in place during heavy sets and drop sets. Circuit and conditioning workouts: Keep weight plates tightly fastened during quick transitions and repetition routines to maintain flow and safety. What you get A set of adaptable, multipurpose collars/weight clips that prevent shifting, work with most barbells and dumbbell screw accessories, and deliver reliable performance for home and garage gyms.