Features: Compatible for Grill Spirit series (2007-2008), Silver/ Gold/ (2004-2005), and Summit Silver/ Gold/ series gas grills. The Grill Caster Wheel and Insert for , Summit, Silver, and Spirit Grill. The castors are equipped with a wheel locking mechanism. The locking mechanism keeps the grill in place. This castor helps you keep your unit moving for easy transport and the locking mechanism will remain stable while in operation. part Number: 99241 Material: Plastic+Metal colour: Black Package Contents: 2 x universal castors 2 x latches 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.