Specification Name Cordless brushless screwdriver wrenchColor black blueMachine screw M4 M8 5 32 5 16 inches Standard bolt M5 M16 3 16 5 8 High strength bolts M5 M12 3 16 1 2 inches Coarse tooth length 22 125mm 7 8 4 7 8 Impact number 0 4000ipmNumber of revolutions rpm 0 3000Screwdriver Chuck 1 4 Wrench chuck 1 2 Battery 15000 mAh 10 segment batteryFeature ▲4 speed upgrade 3 speed adjustment 1 energy saving mode more choices▲1000N M high torque infinitely variable speed switch ▲Powerful electric screwdriver super power ▲Tungsten steel shaft high hardness and wear resistance ▲Suitable for shelf maintenance carpentry etc on the construction site▲No sparks are generated when the brushless motor is working and the motor is not worn Package Included 1 x 2 in 1 electric wrench screwdriver1 or 2 x battery optional 1 x charger1 x plastic box