HG-6620 AC Product specification Materials : Trim : Zinc Alloy Diecast Forend/Strike : Steel Latch/Dead & Auxilary Bolt : Zinc Alloy / Harden Steel Lock case : Steel Backset : 60mm Door Thickness : 35-45mm Function : Entrance & Dummy Trim, Residential use Cylinder : Zinc Alloy Cylinder with Brass Plug/5-pin tumbler cylinder No.of keys : 3 nickel plated brass keys Type : Dummy Trim Series Name : HG-6620 Material : Zinc Alloy Finish Code : AC HG-6750 AC HG-6620 SC HG-6790 AC