Compact and lightweight Variable speed controlled by trigger Brushless motor Electronic 4 stage imapct power selection Auto-stop system in both forward and reverse rotation modes Trigger switch with full speed mode 700 Nm maximum fastening torque and 1,000 Nm nut busting torque 1/2″ square drive, C-ring driving shank for quick socket changes Standard bolt M10 to M24, high strength bolt (grade 10.9) M10 to M26, high strength bolt (grade F10T) M12 to M16 Not compatible with G-Series batteries, Weight: 3.968320716 pounds, Manufacturer: Makita