4 Pack of Adjustable Spring Hinges - Self Closing - Door Closing High Quality Steel - Polished Bright Brass Finish 4 Inches with 1/4 Inch Radius - Close to Square For door thickness 1 5/8" - 1 3/4", Gauge .106 (2.7 mm). Includes matching screws and hex wrench Delivering quality residential and commercial hinges since 2005 — Hinge Outlet, Inc., proudly US-based. High Quality 4 Pack of Steel with Polished Bright Brass Finish 4 inch with 1/4 inch radius. Includes matching screws, 4 hole zig-zag pattern, gauge .106" (2.7MM). Typical use: 1 5/8" - 1 3/4" thick doors. Also known as self-closing hinges or door closing hinges. Sold in Pairs - 2 Complete Hinges