DeWalt DWA58918 1-1/8" x 39" x 47" SDS Max 4-Cutter Extra-Long Hollow Dust Extraction Bit

A 1-1/8" extra-long SDS Max hollow drill bit that pulls dust through the bit into a dust extractor while you drill concrete and masonry. Working length is 39" with a 47" overall length. The dust shroud connection supports OSHA Table 1 dust control.