... encoder 20mm 2500g.cm ZYM-20A()-195-0640 for print lock 1.Ratio from 1:6.6 to 1:1525.8 ... we have: 16mm,22mm,28mm,36mm,45mmSpecifications Rated Voltage: 6 V DCRatio: 1:195No-load Current: 80mA(Max 160mA)No-load ... motorGear Box Data Typical equipt on touchless valve, auto car lock, motorized tools, for more information please contactour sales engineer. ... 20mm 2500g.cm ZYM-20A()-195-0640 for print lock