Includes 2 caster and 2 caster insert. Dimensions: 4.6"H X 1.5"W X 2.5"D The Caster Wheels Fit for: Genesis 1000-5000, Genesis A,B,C (2002-2003 model years ONLY), Genesis Gold B/C (model year 2002 and newer), Platinum 1 Fit for the Following Charcoal Grills: Ranch Kettle, Performer (prior to 2005 model year ONLY) This replacement caster inserts fit for weber gas grill will ONLY fit the above grills. Please read carefully to ensure proper fit Install Attention: To replace a broken castor, It is NECESSARY to remove the insert supporting the castor from the frame, and the grip is required to twist the old support frame back and forth to loosen it for easy disassembly Smoothly wheel your Weber gas grill into position with the aid of a replacement caster. Once in place, prevent wayward movement with the built-in locking mechanism for supreme steadiness. Don’t get caught flat-footed when grill portability is necessary—replace your old Weber casters with one of these parts. Please read bullet point specifications carefully to ensure proper fit. Does not fit all Weber gas and charcoal grills.