NCG dual stroke single rod option (XC11) and dual stoke double rod option (XC10). The NCG series is an extremely durable, repairable round body cylinder that provides precision mounting, short overall length, light weight and high speed. Nine mounting styles are available for cylinder mounting flexibility. Bore sizes for the NCG range from 3/4"(20mm) to 2 1/2" (63mm). The NCG series is auto-switch capable.