Electronic 4 stage impact power selection Trigger switch with full speed mode Auto-stop system available in both forward and reverse rotation modes Socket can be fixed with C-Ring (ring spring) Suitable for a wide range of applications Phosphorescent bumper to glow in darker places Convenient 1/2″ square driving shank for quick socket changes Standard bolt capacity M10 to M20 and high tensile bolt capacity M10 to M16 580 Nm nut busting torque, 330 Nm maximum fastening torque Not compatible with G-Series batteries, Manufacturer: Makita