Model Note 1) Note 2) Operating system Model Cylinder bore (mm) Gripping force (Effective value) N Opening/Closing stroke (mm) Mass (g) External grip: 88 Internal grip: 139 MHQG2-32D 32 20 1100 Double acting External grip: 158 Internal grip: 247 MHQG2-40D 40 28 1940 MHQG2-32S 69 32 20 1110 Normally open MHQG2-40S 130 40 28 1960 Single acting MHQG2-32C 127 32 20 1110 Normally closed MHQG2-