Irwin Rotary Percussion - Straight Shank 7/16"x4"x6" Size:7/16"x4"x6" or plastic handle

or plastic handle

It offers excellent adhesion

Pack of 8 gourds in total

Side access panel allows you to wire the fan from inside or outside the housing

Flat end for easy storage

Irwin Rotary Percussion - Straight Shank 7/16"x4"x6" Size:7/16"x4"x6" or plastic handleRotary 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