Purchase dock plate that's 12" wider than anticipated load. Not for use with rider type trucks. Assembles easily. This aluminum dock plate's unique diamond tread surface provides more traction points per square foot than competitive dock plates to improve safety. The rugged yet lightweight 3/8" thick aluminum construction withstands heavy traffic but is easily moved using the hand hold cutouts. The 11" apron with beveled edges and an 11 degrees crown provide smooth, efficient entry and exit to save time. Bottom includes a bolted safety stop to keep plate in position. Complies with OSHA spec. 1910.30(A)., Lot of 1