General description CCYKXA 4-piece aluminum door and window hinge set features a broken bridge design, making it ideal for various applications including cabinets, jewelry boxes, tool boxes, wooden boxes, gift boxes, iron boxes, wardrobes, stainless steel boxes, and small doors and windows. This product ensures maximum security and convenience for your home. Technical specifications Material: Aluminum alloy Surface treatment: Painted High hardness Wear resistance Corrosion resistance