TORQUE WRENCH > TECNOGI > MECHANICAL TORQUE WRENCH WITH VARIABLE GEOMETRY > SERIES 900S   Mechanical torque wrenches with variable geometry with 16 mm spigot end Torque wrenches of new concept, designed and manufactured to exceed performances required by EN ISO 6789:2003 Fast and easy setting. It doesn't need to turn back to the minimum scale value after being used Long life accuracy and repeatability Pateneted The wrench works with a "variable arm clicker mechanism". Torque variations are obtained not by screwing or unscrewing a spring (the critical component in a standard click type wrench) but by a variation of levers positions. The spring inside works always in the same condition independently of torque selected. This innovative system guarantees endurance and stability. Model Nm Lbf. ft ATTACCO DRIVE mm Kg 906S 10-60 7.5-44 cil. Ø 16 mm. 375 1.00 910S 20-100 15-70 cil. Ø 16 mm. 435 1.10 920S 40-200 30-150 cil. Ø 16 mm. 440 1.10 930S 60-350 45-260 cil. Ø 16 mm. 570 1.40 Available aslo pre-set   The products shown above are only a small part of series, please contact us for your enquiry.