Countersinking Drill Bits(4 Pieces)

Drill bit for both drilling a pilot hole and countersinking the wood surface. 1/4 in. hex shank and replaceable bit. Can be used with all drills and battery-powered screwdrivers. An allen wrench is provided to change the drill bit when it is worn.,
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, Includes :, - (1) #6 drill bit, - (1) #8 drill bit, - (1) #10 drill bit, - (1) #12 drill bit