... keys. 2) size 40~120 mm 3) finish : PB ,AC ,AB 4) brass cylinder 1) Size: 40 ~ 120 mm2) Specification : 10 ... groove9) Type : Single cylinder ,half cylinder ,double cylinder , bathroom cylinder , oval cylinder10) Our factory is near to ShangHai port and NingBo ... 's requirementcylinder typeDouble cylinder, single cylinder, half cylinder Finished PB, AB, AC, CP, SN, NBKey TypeS normal key, computer key ...