23Pcs Wood Chamfer Drilling Bits Plug Cutter Three Pointed Countersink Drill Bit. X20 Magnetic Bit Holder Set 1/4" Hex Extension Bar for Screwdriver Impact Driver. Magnetic bit holder suitable for impact drive, electric screwdriver, manual screwdriver, electric drill, pneumatic drill, etc.Used for Extending all kinds of screwdriver bits, drill, batch head, etc.
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