Base Pad Leveler Kit (JBP-C300) by Stromberg Carlson. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality. Features Lightweight polycarbonate material Curved edges for easier removal between wheels High quality Expertly made from premium materials Built to match your exact requirementsSpecifications Size: 11-1/2 L x 4-1/4 T Lift Height: Up to 4 - SKU: KSAO702630 This product ships in approximately 1 days