Light Hollow Hydraulic Wrenches  Pancake design ,Website:http://www.dudemachinery.com,made of strong and light space.  material TITAL-919 alloy to improve the strength and life;  Wide application range. One power unit head can be used with  several working heads, add-on reducer inserts or inter-changeable  cassettes, no need for special tools;  360°swivel hose coupler. Completely free of space restriction;  Interchangeable working head covering all sizes, more safe;  Ultra-light, ultra-thin and big torsion fit for various highly difficult spaces.Power Unit Model  No.Working Head      Model No.Torque Range      (Nm)Across Flats      Range(mm)L      (mm)L1      (mm)H1      (mm)H2      (mm)W1      (mm)W2      (mm)R      (mm)Weight      (kg)DH-01C-64180-182024-46190124128683050381.6DH-02C-50227-226627-502051474121003250412.2DH-05C-65518-518830-652511881761364165535.0DH-10C-90986-985550-903022332041665385689.6DH-18C-1151720-1720285-11536728323619664998516.8DH-24C-1352307-2307295-135400308209224701109822DH-40C-1554064-40639100-1554573643952648413211538