Bosch HCBG18 Bluegranite Granite Hammer Bit 1/2 x 12", Blue SpecialDiscount Storm collar & draft hood

Storm collar & draft hood connector

Included door stops allow the home to be closed between seasons

swish it around and wring it out

Designed in traditional bell shape

Bosch HCBG18 Bluegranite Granite Hammer Bit 1/2 x 12", Blue SpecialDiscount Storm collar & draft hoodHighlights : 1 2 x 12". Various useable lengths up to 10. Perfect "On Center" diamond tip grinding. U flute design removes debris, increases speed. Use for For drilling concrete, brick and masonry. Model HCBG500 set contains one each of: 1 8", 3 16", 1 4", 5 16" & 3 8". Milled U flute and deep cut single flute designs work with the diamond ground carbide tip for fast removal of drilling dust and increased drilling speed.