This 1 Piece Weld-On Zinc-Plated Steel Notched Hinge Butt is a practical and reliable solution for door systems. With a .51 inch hole diameter and a 4.25 inch inside width, it offers a secure fit for most doors. The zinc-plated steel construction ensures durability and longevity. Available in 1.38 inch or 1.88 inch height to hole center, this notched hinge style allows for quick release and easy installation. Its weld-on design adds convenience and the 31 inch hot rolled steel stamping is sold individually. Trust this hinge butt for its strength, functionality, and compatibility with various door systems.