Material: Made of zinc alloy to ensure quality and life, polished finish, not easy to rust, durable and anti-corrosion. Versatile: Support hinges are well suited for lids or flaps of furniture, kitchen cabinets, cupboards, wooden storage boxes, chest or toy chest when soft closing is needed they will hold the door open at any angle for hands free use or let it slide gently for smooth closing. Easy to Install: Each can be used for right or left hand mounting. By changing the mounting dimensions, the opening angle of the door can be adjusted to the maximum positions of 75, 90 and 180. 180 degree open cabinet hinge for corner bent cabinet door. Arbitrary adjustment: By rotating the screw in the middle of the arm, you can fully adjust the different weights to set the correct friction pressure ( hex wrench included). Safety: Free your hands. You don't have to hold the cabinet door up and only have one hand at hand by purchasing the hinge stopper from us. You also don't have to worry about your child or grandson rubbing their fingers.