Bosch HS1909 SDS-max Hammer Steel Head Bushing Tool, 16-Tooth, 1-3/4" x 9-1/4" In Stock They are designed with an

They are designed with an optimized cutting matrix

Comes with an insulation ring to cut drafts where the pipe slips through the thimble

(1) spanner

Sheetrock brand

Bosch HS1909 SDS-max Hammer Steel Head Bushing Tool, 16-Tooth, 1-3/4" x 9-1/4" In Stock They are designed with anRemoves excess concrete, produces an exterior finish. Fits Bosch SDS max hammers, competitive SDS max driver hammers and Hilti hammers using TE Y and TE FY shanks (sold separately). Removes excess concrete, produces an exterior finish Fits Bosch SDS max hammers, competitive SDS max driver hammers and Hilti hammers using TE Y and TE FY shanks (sold separately) 16 tooth head 9 1 4 In. Length 16 Tooth head solid piece construction.