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 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 Perfectly suited for wooden fences, sliding barn doors, metal, garage shutters, chicken coops, and compartments across various climates 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: RGYBAO