material: zinc alloy , the cam is steelsurface treatment: with dustproof cover ; matt black powder coated ; Bright chrome plated .structure: for both left-hand and right-hand using ; Industry application:1. electronic enclosures2.furniture.3.networking,telecom.4.vending machines.5.wall-mounting box.6.panel box,outdoor cabinetremarks: applicable panel thickness: 1.2-8mm