Super 8 Plus™ Multibit Screwdriver, Plastic HandleComes standard with seven 3" long hex power bits 1 4" hex power bits ideal for use in drills and impact drivers Bits are precision machined for reliable bit to screw fit Removable and reversible stainless steel nut driver (1 4" and 5 16") Aircraft alloy shank with hex bolster receives a 7 16" wrench to increase torque Rare earth magnet firmly holds working bit in shank Manufacturer's lifetime guarantee The removable and reversible stainless steel nut

Sequential and bump firing modes

JET ratcheting mechanisms will wear with extensive use or break when extreme pressure or abuse is applied

Cost-effective replacement for brushes

Increased resistance to wear and tooth breakage

Made in USA

Crank-action handle spins screws in and out at high speeds saving both time and effort on long screws

tapered flutes provide a securely and firm grip

Rugged with few moving parts

The 3900 Series delivers a high torque output

deburring wheels

59mm L x 50mm W x 55mm H

A big filler opening of the automatic chain lubrication system makes it easy to top it up if necessary