With shadow hook design and vertical engagement range of 9-30 in., Dok-Lok® SHR-5000 can secure traditional trailers, as well as intermodal container chassis and trailers with rear-impact guard obstructions. Constructed of solid steel with corrosion-resistant finish and IP66-rated motor, restraint withstands harsh conditions of loading dock environment. Dok-Lok SHR-5000 comes standard with Rite-Vu Light Communication System, which provides constant communication of restraint status.