【Silently close】 High quality mechanism that slowly pulls the door closed for quiet movement. 【Spring hinge】 High tenacity spring connection piece, durable and sturdy. 【Cupboard hinge】 High strength carbon steel hinges have good anti-rust function and strong load-bearing capacity. 【Cabinet panel】 Works for door thicknesses of 16 at 40 mm. Can adjust the opening angle of 130-170 degrees by adjusting the screw. 【Widely use】 This spring hinge can be widely used to fold the sofa, bed, lift the cabinet door , etc. Features: Condition: 100% brand new material: stainless steel Color: silver Surface treatment: nickel Opening angle: 80 ° Size: showing as picture Package weight: 260g Package included: 1 x left spring hinge 1 x right spring hinge