1、The buffer hinges are fully adjustable for different weight by turning the screw in the middle of the arm to set up appropriate friction pressure so that the lid won't come crash down while closing. 2、Wide application, designed for support on drop lids of desks, cabinets, keeping the lid up, it is self‑adjustable, easy to use, very practical. 3、Lid support hinge made of high quality zinc alloy material,multi‑layer electroplating solid process casting, fine workmanship, corrosion resistance and anti‑rust, durable. 4、Each lid stay can be used for right or left hand mounting,holds the door at any angle you want,upward door open adjustable angle of 70°, 90°, 100°, self adjust, easy to use. 5、Package includes 1pcs lid support hinge and 1 bag of installation accessories. Adjust the lid opening angle, at any positions, can be stopped at will. Perfect for a variety of lids. 1 x Lid Support Hinge1 x Bag of Accessories(13pcs) Item Type: Lid Support HingeMaterial: Zinc AlloyColor: As shown in the pictureExpanded Product Length: Approx. 20.5cm / 8.1inWeight: Approx. 189g / 6.7ozApplication: Cabinet doorDoor Opening Angle: 70 degrees/90 degrees/100 degrees can be adjusted arbitrarilyService Life: More than 50,000 times of opening and closingMaximum Load: 6-8kg/2 pcs