Self closing door hinges specially designed for wooden doors?wood doors with self-closing and stop function and adjustable torque? Wooden doors require a thickness of 31.8 or 44.4mm, Clearance Between Door and Jamb1/4 ", and a maximum load-bearing capacity of 100lb? Can be opened in both directions?Opening angle 0, 88, 116?note that the door will spring back to its original position if not opened to a fixed angle, please be careful of rebound injuries? Made of industrial-grade steel, and the surface of the pivot door hardware is coated with high-quality anti-rust spray paint; it will not rust due to moisture. And it is still effective in low-temperature winters. Package Includes: spring hinge x 1, 2 brushed side covers, 1 back cover, top hinge, screws, instructions