Irwin Speedbor 6 In. x 1/4 In. Spade Drill Bit Extension
$5.99
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Double set screw with Allen wrench. Recommended for all 1/4" round shank drill bits requiring extra reach. Follows 5/8" and larger bits through hole. 1/4" shank. Only fits round shank Speedbor or Do it Best brand bits.
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