BODY FLOW FITNESS- Designed with a focus on quality and functionality Spring Clips Clamps Collars for Barbell Dumbbell Weight Bar are made of all steel & fully covered with black coating of rubber provide best products & experience VERSATILE TRAINING TOOL: Works with all standard weight rods, built with stainless steel with rubber handles provide maximum grip. Rugged steel structure and standard discus can guarantee the safety of high-intensity training. Solid Build- Spring clip collars, barbell clamp, for standard solid weight lifting bar. Safe and Durable- Easy to hold, safe & durable. Provide a reliable grip & support for barbell.