... Materials:Zinc Alloy 2.Finish:Chrome/ Nickel 3.Pass ROHS Switch key Lock, Switch Lock Description:1) Materials: Zinc Alloy dia cast housing ... and iron keys with plastic cover (2 keys)5) Key may be withdrawn in one or two positions.6) Rotation ... first and treat the customers as supremacy.Power Lock, Switch Lock, Electric Lock,Key Lock,Key Switch Lock, Electronic Lock Switch key Lock with Dust Shutter