Mag Wheel Caster, Manufacturer suggested retail price. $257.03 Features and Benefits Highly polished chrome wheels for dressing up any service cart Set of four chrome mag wheels - 5" Caster Bolt pattern on wheels will allow bolting on to all popular service carts with bolt patterns from 1-3/4" to 2-1/8" wide and 3" to 3-3/8" deep Smooth operating ball bearings on each wheel Each wheel load rated at 300 lbs. Dress up your tool cart with 5 inch Chrome Mag Wheel Casters with Low Profile Racing Tires - set of four wheels - two locking and two non locking. Wheels will fit all popular service carts with multiple bolt patterns. Manufacturer:Mountain 1 yr warranty on material and workmanship