True Refrigerator Swivel Caster Set Model #830280 - 2-1/2" Wheels (Set of 4) $40.0 Brand true MPN 830280 Country/Region of Manufacture Unknown condition New 1 Set of four genuine True OEM swivel casters model# 830280. Set includes two locking and two non-locking swivel casters.Includes a wrench and four shims.Specs2-1/2" wheel diameter½" stem diameter by 1" stem height