Two composite wheel chocks with rubberized grip bases. Prevents vehicle movement when lifted on a level surface or parked on a slope not exceeding 15 degrees. Material: ABS Color: Black Package Contents: 2 * Wheel Chocks Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.