DeWalt DWA58118 1-1/8" x 15-3/4" x 23" SDS Max 4-Cutter Hollow Dust Extraction Bit

A 1-1/8" standard-length SDS Max hollow drill bit that pulls dust through the bit into a dust extractor while you drill concrete and masonry. Working length is 15-3/4" with a 23" overall length. The dust shroud connection supports OSHA Table 1 dust control.