Durofix Video. Durofix RM601-34 3/8" & 1/2" Heavy Duty Digital Torque Wrenches Combo Kit. 20 torque settings & 2-variable speeds – our cordless drill kit features 20 adjustable clutch settings and two-speed options (0-450 RPM and 0-1800 RPM), making it ideal for screw driving and drilling tasks.
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