? Product Description ? *Material:Zinc alloy housing and cylinder.?steel latch and spring. *Finish:black coated or bright chrome plated? *Areas of application:Trains' cabinet,electric panels, machinery covers. ? ? Packaging & Shipping ? 1. Neutral packing ,One piece in a poly bag and several pieces in a small box,then 20-25 boxes in a carton 2. Shipping:by sea,by air or express ? ? Company Information ? ? ? ?