Features:*Made of tremendous metal alloys, making certain high quality and service life.*Automatic door bolts, springs, and pull rings.*Easy installation: including set up screws, clean to replace, , and sturdy.*Can be used to augment the safety of doors and sash, suitable for home use, doors and sash, etc.*Spring power latch is appropriate for doors, sash, cabinets, sheds, doors, warehouses, cabinets, drawers, and dressing tables.Specifications:*Name: Sliding Ring Door Pin/Automatic sashLock*Material: Aluminum alloy*Color: Black,white,silver*Product Name:Sliding Ring Door Pin/Automatic sash Lock*Size:4.13 x 2.36 x 2.17 inchesPackage Content:1* Spring Door LockNote:1. The real coloration of the item may be barely varied from the photographs proven on web content brought on by many points reminiscent of brightness of your monitor and lightweight brightness.2. Please enable slight manual measurement deviation for the data.