WorkSafe USA’s Dump-Lok Dump DL-109 FT Truck and Dump Trailer Safety Support Device protects against injuries from unsecured and/or improperly secured dump beds falling during truck maintenance operations. The device’s steel braces lock the truck's dump bed in the raised position, preventing it from falling in cases of system failure or operator error. Sold in pairs, the Dump-Lok steel braces together have a maximum capacity of 75,000 lbs. DL-109 FT steel braces fit up to a 9.5" truck frame.