How to use this little plastic thing called "screw finder"

This was a cheap Alltrade packaged with a bunch of 1/4" drive screwdriver and drill bits for the cord/cordless drill. This screw finder has a plastic, and non magnetic housing with a 1-1/4" long tapered, hollowed cylinder body. 1/2" outside dia. at one end and 5/8" dia. at the other end. Respectively 1/4" inside dia. at one and 3/8" the other. Inside has a spring. No instructions and labeled as "screw finder", no clue as how to use. Anyone knows?
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plastic,
body.
If its what I think it is, its actually not so much a finder, as a holder....
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without seeing it, all i could suggest is get a nail or other small piece of steel and move it around near the gadget various ways, and see if there is some visual indication of the proximity of the steel piece. generally these things have a magnet that is drawn toward a nearby steel object, and as it moves, you should be able to see something. If no amount of toying with it seems to get any reaction, maybe it's broke?
bill

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wrote:

It's for driving slotted screws. Slip the screw finder onto the shaft of your driver, with the slotted bit inside the screw finder. The sleeve centers the bit onto the heads of slotted screws, preventing the bit from slipping out of the slot and making driving them easier.
-Frank
--
fwarner1-at-franksknives-dot-com
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Goodness. I just realized how pornographic that all sounds!
-Frank
--
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