Includes 1 caster and 1 caster insert Fits the following gas grills: Genesis 1000-5000, Genesis A,B,C (2002-2003 model years ONLY), Genesis Gold B/C (model year 2002 and newer), Platinum 1 Fits the following charcoal grills: Ranch Kettle, Performer (prior to 2005 model year ONLY) This replacement caster will ONLY fit the above Weber grills. Please read carefully to ensure proper fit. Caster Dimensions: 4.6"H X 1.5"W X 2.5"D