... The size of the machine is manufactured against your requipment. HX-C218 (ordinary type,single guide rail)Size(M)Max. Stretching Are ... 0 1.6*2.11.1*1.6 20+ 260 HX-C518(precision type,double guide rail)Size(M)Max. ... 6*2.1 1.1*1.6 25-30 260 HX-C718(reinforced profile,high strength,double guide rail )Size(M ... 6*2.1 1.1*1.6 30-40 450 HX-C818(reinforced profile,high strength,double guide rail )Size(M ...