Highcool 4-Piece Self- Door Hinges, 3.5-Inch Hinges with 5/8'' Corners, Tension for Garage and Back Door, , Left and Right Hand, Matte

【 Application】Designed for both residential and areas, these self- door hinges are appropriate for various situations such as garage doors, often office doors, and wardrobes. They accommodate both left-hand and right-hand doors, providing flexible adaptability. 【Auto Close Door Hinges】Fitted with automatic and tension, enabling you to adjust the door to shut at the preferred speed or stay slightly open. 【 Load- Structure】Double hinges doors weighing 85-100 lbs, whereas single can manage to 35 lbs. The main are constructed from - manganese steel and have undergone 72-hour salt test for enduring durability. 【Certified 】These door springs are to ANSI Grade 1 standard, for durability. 【 Installation】 and installation procedure, with comprehensive instructions, making it suitable for novices to install.