- Qukaim barbell adapter, converts 1 inch bars to 1.97 inches - Allows the use of different bars and weight benches in your routine - Made of high-quality polypropylene for maximum strength and durability - Easy installation thanks to the included hex key - Compatible with most weight machines, benches, and old-style plates - Professional design ensures versatility and safety during training - Perfect for those looking to improve and customize their fitness equipment at home or in the gym