Product details:
ATWR-18-6-48 is the Heavy Duty Aluminum Wheel Riser to elevate semi-trailers to loading docks for maximum serviceability during loading and unloading operations. Complies with OSHA/ANSI B56.1part 3sec7 requirements for maximum grade of ascending or descending loaded fork trucks. This wheel riser has a height of 6 inches, overall length of 48 inches, level length of 30 inches.