Steel Wood Spade Bit Set 3 pc.

SPDBOR SPADE BIT SET 3PC Brand Name: Irwin Sub Brand: Speedbor Material: Steel Product Type: Wood Boring Bit Set Number in Package: 3 pc. Packaging Type: Carded Shank Type: Quick-Change Hex Shank Shank Diameter: 1/4 in. Includes: 1/2", 3/4" and 1". 40% thicker cutting edge. Blue-Groove.