Stanley FatMax SFMCF830B-XJ Cordless Impact Driver SFMCF830B V20, 18V Li-ion, 200 Nm, Brushless (without battery and charger) Product code: SFMCF830B-XJ. Brand: Stanley FatMax. . Brushless Impact Driver, Stanley FatMax SFMCF830B-XJ 18V Drop 'n' Load Handle allows for one-handed bit changes; Metal housing for increased durability; Variable speed switch ensures the user can work at the required speed; 3-speed adjustment; LED light provides application illumination and allows the user to work without an additional flashlight in tight spaces; Magnetic 2-bit holder; BL40 Brushless Motor - Greater efficiency due to less resistance.; Belt hook - your impact driver is always at hand; Technical data. Voltage: 18 V; Torque: 203 Nm; No load speed: 1400 / 2400 / 3200 rpm; Impact rate: 42,000 bpm; Chuck: (6.35 mm); Weight without battery: 0.9 kg; Supplied without battery and charger.