1)easy to be operated 2)good quality and high safety 3)good design 4)competive price 5)can make it by your request Product feature:1)Meterial:Profile meterial:brass, zinc alloyKey meterial:brass ,iron2)Size:54-100mm3)Finish:polished brass,chrome plated,nickle matted or brass matted4)Type:Standard cylinder,single cylinder,oval cylinder,computer cylinder,bathroom cylinder,etc.Application:It is ...