Maximum output power: 1200W Standard bolt: M12-M36 (1/2 “-1-7/167) High strength bolt: M10-M27 (3/8 “-1-1/167) Square transmission screw: 19mm (3/4-)

Battery voltage：21V Lithium-lion Battery capacity：5.0Ah Bolt diameter：M10-M24mm No load speed：0-2800r/min Impact times：0-3200./min Muimum torque：300N.m

Maximum output power: 600W Standard bolt: M10-M24 (3/8 “-1”) High strength bolt: M10-M16 (3/8 “-5/8) Square transmission screw: 12.7mm (1/2)

Maximum output power: 800W Standard bolt: M10-M24 (3/8 “-17) High strength bolt: M10-M16 (3/8 * -5/8) Square transmission screw: 12.7mm