ESD-Safe: Yes Power Source: AC 115v (50/60Hz)Power Supply: Direct Plug-InTorque Range (±3%): 2.6 - 16.7 in/lb. (3-19 Kg/cm; 0.29-1.89 N.m)RPM (Max.): 1,000Drive Size (Bit Type): 1/4" Hex Drive - StandardDriver Type: Push-StartAvailable Screw Size: Machine Screw - 0.1 - 0.4" (2.6-3.5mm) Tapping Screw - 0.1 - 0.12" (2.6-3.0mm)Overall Dimensions: 9.65" (245mm) L x 1.42" (36mm) Dia.