Gear Rack 1).Material:C45 2).Mod.1, 1.5, 2, 2.5, 3, 4, 5,6 ... system 4).Pressure angle: 20 Gear RackFeatures:1).Material:C452).Mod.1, 1.5, 2, 2.5, 3, 4, 5,63 ... ).ISO9001 Quality system4).Pressure angle: 20° Mod.LENGTH50010002000A*BA*BA*B115*1515*1515*151.517*1717*1717 ...