Irwin Rotary Percussion - Straight Shank 1/2" x 8" x 12" Size:1/2" x 8" x 12" Weed preventer stops weed seeds

Weed preventer stops weed seeds from germinating - does not kill existing weeds

Shutoff matches most backpack shutoff assemblies

0-1500 rpm (revolutions per minute)

jerk) can reduce working loads by as much as 33%

Blade lacquered for corrosion protection

Irwin Rotary Percussion - Straight Shank 1/2" x 8" x 12" Size:1/2" x 8" x 12" Weed preventer stops weed seedsRotary 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