[Soft Close Hinge The slow close hinge closes slowly to protect your fingers from being crushed. Please note that the soft close will only work if the lid weighs less than 40 lbs. [Adjustable Strength] You can change the speed or tightness of the slow close by adjusting the proper friction pressure in the middle of the round shaft with an allen spanner. The more pressure you apply with the hex spanner, the slower it will close. Durable Material] Soft close kitchen door hinges are made of durable zinc alloy in satin nickel. The high quality durable material and sturdy construction ensure a long service time for you. Easy to install] Our package contains screws for installation. Our package contains screws for installation, so there is no need to purchase screws for other ways. By changing the mounting position, the opening angle of the door can be adjusted at a maximum of 75, 90 and 100 (or 105). Wide range of applications] The lid stay hinges can be widely used as safety hinges for toy boxes, cupboard hinges, kitchen cupboard hinges, cupboard hinges, piano hinges, wardrobe hinges etc.