Spring Hinges 90° Opening Angle for Cupboard, Door, Corner Door and Interior Door

HYDRAULIC HINGE: mechanism that slowly pulls the door closed for a smooth silent movement. EASY TO INSTALL: No need to open the hole, easy installation, screws included and long lifespan over times. STAINLESS STEEL: Cold rolled steel plate material, double treated plating, better anti-rust property. Dimensions: hinge length mm, width mm, opening angle degrees, suitable for plate thickness mm. Suitable for kitchen cupboards, cabinet doors, bookcases, etc., widely used in homes, hotels, schools, hospitals, offices, etc.