Makita 197172-1 Dust Extraction Attachment, 1‘1/8" Hex Shank, DemolitionMakita 197172 1 There is increased awareness of the importance of dust extraction on job sites, and Makita is meeting demand with a growing range of dust extraction solutions. The Dust Extracting Attachment (197172 1) is ideal for use with demolition hammer (1 1 8 Hex Shank). It attaches directly onto the bit shaft, from 1 to 4 away from the surface, and the hose is kept out of the way with the convenient hose holders. When used with a job site vacuum