It is a reliable product with more than 50,000 times opening and closing service times This is a set of door flap hinges, perfect for use in the kitchen bedroom cupboard, cabinet, and other small furniture Comes with 2 pieces hinges for convenient and practical use Made from premium zinc alloy, this set of hinges is of strong strength and long durability 90 degree opening and closing mechanism make it very convenient to use and match well with the flap-down doors of cabinets or cupboard, Weight: 0.0881849048 pounds