Casters Replaces Part Number: 6414, 306414. Caster Compatible with for 1000-5000, for A,B,C (2002-2003 model years ONLY), for Gold (model year 2002 and er), for 1, for , for Summit, for Silver, and for Spirit Grills. Also Fits charcoal grills: for Ranch Kettle, for Performer (prior to 2005 model year ONLY) Caster Dimensions: Package included 2 Caster Wheel with 2 Caster Insert. The assembly of two accessories requires both parts to be firmly pressed together. You need to use a lot of force to hold them completely in place. Casters are provided with wheel locking mechanism. This help you better move the port device and stabilize the device where you want to stop. Please note: There may be slight color differences or variations in the actual product, but this does not affect its use. Please do not mind this. Thank you! Color: As Shown Material: Plastic+Metal Package Contents: 4 x 6414 306414 grill caster wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.