General Fit for Doors: This T handle set features a 5.5 inch adjustable and mounting bracket, perfectly fitting doors from 1 inch to 4.5 inches thick. Ideal for sheds, barns, garages, and doors. Heavy Duty Alloy Construction: Crafted with erosion resistant alloy and plated high carbon steel, this withstands harsh weather while providing stable security for outdoor structures. Precise Installation Guidance: Easily drilling points with included instructions, use a 3/8 inch drill bit for the main latches hole, then securely install both T handle and D handle components with provided tools. Multi Purpose Security : Designed for versatile use on storage sheds, chicken coops, playhouses, truck compartments, and other outdoor doors requiring sturdy protect. Complete Locking set : Includes T handle assembly, D handle, mounting screws, Allen wrench, and 4 keys for convenient access and easy setup.