Such a cool tool! The WORX 4V cordless SD slide driver with screw holder is the most convenient screwdriver ever. A preloaded rapid-change cartridge allows six-bit storage (eliminating lost bits!) while the screw holder attachment keeps screws firmly in place for one-handed operation. From WORX.
Worx SemiAutomatic Driver Review - Pro Tool Reviews
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The Worx SD semiautomatic driver with screw holder is the most convenient cordless screwdriver ever. Bits can be conveniently stored directly in the
Worx WX255L 4V SD Driver w/ Screw Holder
Worx 4-Volt Lithium-Ion 1/4 in. Cordless Driver WX255L - The Home Depot
Worx WX255L 4V SD Driver w/Screw Holder : Industrial & Scientific
WORX 20V Cordless Switchdriver Kit with Case & 64-Bit Set
Worx WX255L 4V SD Driver w/Screw Holder : Industrial & Scientific
WORX 4V SD Driver w/ Screw Holder Flex Shaft & 6 Bits
WORX SD Driver 4-volt 1/4-in Cordless Drill (Charger Included) at