This strongbox hitch lock fits most ALKO, ALBE, Winterhoff, Steelpress, Knott and other original open handled hitch types. It is also suitable for use with most braked and unbraked hitches on drawbars of up to 50mm, (note) not suitable for raised hitches, hitches fitted with a skid or those with a delta mounting. A lightweight and user-friendly touring or storage product with high security lock and anti-drill feature, ideal for caravans and trailers with pressed steel couplings. Fits a straight drawbar rather than an A frame, helps prevent parking theft when fitted hitched, strongbox features an anti-prising lip. Can be used in conjunction with any Stronghold or Maypole wheel clamp or leg lock. Warning do not tow with hitch lock fitted. The box contains hitch lock body, hitch lock front plate, lock with 3 keys, fitting instructions and warranty card.