National Hardware® N160-754 Hook Jamb Latch, 4", Zinc PlatedDesigned to hold wood and metal doors firmly in place against the door jamb on farm and utility buildings. Can also be used for end gates on stake trucks. Offers 4" hook. Designed for right or left hand applications. Pre punched, reversible strike plate for use on 1 1 2" or 3 1 2" thick door frames. Hot rolled steel base, strike and handle; steel rod bar. Material: steel Designed to hold wood and metal doors firmly in place against the door jamb on