type : knob cylinder key : normal key / computer key size : 60mm,70mm, ... packing,double blister card packing,single blister card packing6.Type:single cylinder,double cylinder,half cylinder,bathroom cylinder,oval ... cylinderWe warmly welcome customer's enquiries Cylinder type Surface treatmentCodeProduct CodeProductSCsingle cylinder NBnickle brushDCdouble cylinder NPnickle plated ...