Irwin Rotary Percussion - Straight Shank 1/4" X 8" X 12" Sanders Made of heavy duty plated

Made of heavy duty plated steel

Patented jaw design holds bits securely on 6-flatted shanks

All nozzles packed for storage in a convenient see-thru plastic case

Blade Support Roller Provides Improved Cutting Accuracy & Longer Blade Life

with brush

Irwin Rotary Percussion - Straight Shank 1/4" X 8" X 12" Sanders Made of heavy duty platedRotary Percussion Straight Shank Features: Fits all hammer drills with 3 jaw or Jacobs chuck Chrome vanadium shaft through hardened to 50 53HrC Patented flute geometry removes dust from the hole quicker for fast drilling and long life Up to 150% faster than other competitive bits Shot peened, double tempered finish reduces breakage Hot isostatically pressed to extend life and resist breakage Copper braze material gives high heat resistance for reduced