Crafted from 4mm reinforced carbon steel with anti coating , this heavy type latches outlasts standard aluminum models through cut structure eliminating weak welds , 3x extended durability against rain , snow , and extreme temperature fluctuations Pre aligned mounting plates with auto tapping screws enable effortless installation simply position the bracket , secure 8 resistant screws Perfectly suited for wooden fences , sliding barn doors , metal , garage shutters , chicken coops , and compartments across various climates Ideal for homeowners , ranchers , and parents seeking industrial grade security solution to safeguards livestock , backyard play areas , or storage sheds from unauthorized access by intruders , toddler , and pets The 4 position adjustable arm features precisions drilled holes for greater flexibility than 3 hole competitors , or double door setups with 180° rotation for left / right handed compatibility, Manufacturer: ZWTPGKRD