Heavy Duty Rolling Door Lock Replacement for Storage Container, Trailer or Box Truck Lock Fits 13246029[Specifications] Hardened Steel Construction Made of steel with a red powder coat finish Secures the locking handle of a roll up door in the downward locked position Works on storage containers, trailers, and box trucks with roll up doors No Mounting Required Fits all Whiting and TODCO door hardware Built in high security barrel lock system including 2 keys Fits up to 5" height for handle Fits up to 1. 25" handle thickness [Features] Versatile Roll Up