Premium MaterialThe double hinge is made of high quality zinc alloy, the thickened arm rod ensures the hinge is sturdy and durable. It also has a long service life with resistance to wear and corrosion. Free Your HandsUse the lid hinges to keep the cabinet door or lid open until whatever you want to close, free your hands to access your cabinet, trunk, etc. A great choice for your kitchen, window seat, etc. Adjustable tensionAdjustable door hinges can accommodate different door sizes and different tightening tension you need. Max 40 lbs / 2 PiecesLid support hinge is designed to support lid or flap weighing less than 40 lbs for toy room, treasure chest, cabinet, cupboard, window seat and wardrobe. 2 Ways To InstallPress the small clip of the lid bracket hinge then move it beyond the center, it can go through the open up (hinge gives resistance when closing) or down (hinge give resistance when opening), which is wide application in your house.