RV Designer Motorhome Entrance Door Lock For Trimark Built In Deadbolt. This entrance door lock is intended for use with motorhomes fifth wheel trailers travel trailers and slide-in truck campers. Use with right or left handed applications. This lock features a built-in deadbolt and water resistant die-cast zinc alloy and steel construction for reliability. Requires an opening of 4.95" x 4.85" and fits 1.25" - 1.5" door thickness. Each lock comes with a master key and installation hardware. Features of RV Designer T507 Motorhome Entrance Door Lock For Trimark Built In Deadbolt Corresponds to TriMark 60-1625 (New Style) and TriMark 60-600 (Old Style) Intended for use with motorhomes fifth wheel trailers travel trailers and slide-in truck campers Use with right or left handed applications Features a built-in deadbolt and water resistant die-cast zinc alloy and steel construction for reliability Requires an opening of 4.95" x 4.85" and fits 1.25" - 1.5" door thickness Package Contents: RV Designer T507 Motorhome Entrance Door Lock For Trimark Built In Deadbolt RV Designer T507: Motorhome Entrance Door Lock For Trimark Built In Deadbolt