Irwin 88894 13-Piece Wood Boring Bit Set Containers 3/8" reduced shank fits all

3/8" reduced shank fits all 3/8" drills

"Impact Resistant" Carbide Blade for optimal use

Adjusting screws has self- seating washer and nut for quick adjustments

41 diameter fuse

Dries to a natural cream color

Irwin 88894 13-Piece Wood Boring Bit Set Containers 3/8" reduced shank fits all"IRWIN INDUSTRIAL" Wood Boring Bit Set 13 piece. Blue Groove point and cutting edge for faster chip removal 4x faster than standard spade bits. INCLUDES: 1 4", 5 16", 3 8", 7 16", 1 2", 9 16", 5 8", 11 16", 3 4", 13 16", 7 8", 15 16", and 1". Double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension. 10% larger shank for added durability. Carded. WARNING: Cancer and