Securely position weights with the Fitness Gear(R) Standard Spring Collar. These collars are built to last with quality steel construction. Compatible with the Fitness Gear Standard 1" bar and most other 1" bars. FEATURES: Squeeze securely for a tight fit on most standard 1" bar Quality steel construction Model: 740701 For residential use only Fitness Gear Click here for additional information relating to the Manufacturer's Warranty.