Wheel Diameter: 3" (Click link to find similar sized casters)Tread Width: 1-1/4"Material: Thermoplastized Rubber (Gray)Load Rating (Per Item): 280 poundsFinish: ZincConnector Specs: Threaded Stem (1/2"-13TPI x 1")Bearing: Prec Ball BrngsMisc Options: Thread guardsSwivel Locks: Total Lock (Trailing)Load Height: 4-1/8"Swivel Radius: 4-3/16"Shipping Weight: 1.75 lbs.Usually Ships in: 24 hours (may be affected by quantity ordered)• Constructed of high-strength steel for added durability • Raceway dust cover for increased caster life and performance • NSF approved (less thread guards) • Dual ball bearing aceway • Durable zinc finish • 3/8” diameter nut and bolt axle • Full and partial thread guard options help prevent debris from entangling wheel • Ideal for: Store Fixtures, Storage Equipment, Utility Carts, Institutional Equipment, Office Equipment, Food Service, Material Handling Equipment, Hospitality Carts