High quality,strong steel body with plastic spray painted or nickel plated, brass cylinder,iron keys. Steel body with plastic sprayed or bright nickel plated,steel bolt nickle plated,brass cylinder,brass pins,stainless steel spring,3 iron keys nickle plated,color box packing.Brass cylinder have two type: 1. smaller triangle shape cylinder 2. big round cylinder Only can be open from 2 sides. ...