Made of iron, finished by electrophoresis paint, antirust and beautiful.Easy operation actuated by fingertip pressure on the wing - 180 degree turn locks and unlocks the unit.Used to secure small doors, cabinets, tool boxes, lockers, fishing fort and fishing box etc.Easy to install by screws, and please note that screws are not included here. Specification:Material: IronFinish: Electrophoresis paintMounting Hole Diameter: 4mm / 0.16"Main Body Size: 65mm x 66mm / 2.56" x 2.60" (L*W)Hook Size: 31mm x 17mm x 1.6mm / 1.22" x 0.67" x 0.063" (L*W*T) Package Content:2 x Butterfly Latches.