Made for racers too short to touch the ground at the starting gate. Cheese-grater-type holes on top provide a nonslip surface. Adjustable from 3" to 9" high. Stackable with a carrying handle. Made of high-quality aircraft aluminum. Silver anodized finish. Sold in pairs.

• Made for racers too short to touch the ground at the starting gate
• Cheese-grater-type holes on top provide a nonslip surface
• Adjustable from 3" height minimum