Material: Made of Zinc Alloy to ensure quality and life,polish finish, not easy to rust,durable and anti-corrosion. Versatile: The support hinges are well suited for drop lids or flaps of furniture, kitchen cabinet, cupboard,wooden storage boxes,chest or toy box when a soft closing is required, it will hold the door open in any angle for hands free use or let it Slide down gently for a soft closure. Arbitrary adjustment: By turning the screw in the middle of the arm, you can completely adjust the different weights to set the correct friction pressure(hex key included). Easy to install:Each can be used for right or left hand mounting. By changing the mounting dimensions, the door opening angle can be adjusted at the maximum 75, 90 and 180 positions.180 degree open cabinet hinge for corner folded cabinet door. Safety: Freedom your hands. You don't need to hold the cabinet door up and only have one hand free to reach in by purchasing the hinge stop from us. You also don't need to worry about your child or grandson smashing his fingers any more.