Wheel Diameter: 3" (Click link to find similar sized casters)Tread Width: 1-3/4"Material: Glass/ NylonLoad Rating (Per Item): 1000 poundsFinish: ZincConnector Specs: Threaded Stem (1/2"-13TPI x 1-3/4")Bearing: Roller BrngWheel Locks: Thumb Screw BrakeLoad Height: 4"Swivel Radius: 2-1/4"Shipping Weight: 3 lbs.Usually Ships in: 7-10 business days (may be affected by quantity ordered)• Minimum overall height for maximum load capacity • Bright zinc-finish as standard • Optional finish: bright zinc, yellow zinc, black electrocoating, nickel, chrome (minimum order quantities apply) • Variety of connectors, brakes and wheel types available - call Apollo Caster for assistance finding the best solution.