The SDS max dust extraction attachment provides users with a solution for the regulation on resharpenable crystalline silica dust (29 CFR 1926.1153). The SDS max dust extraction attachment is optimized for all drilling depths and a hole ranging from 1/4 in. and 2-3/4 in. in diameter. Its remodeler brush rings allows for increased tool life when performing larger diff coring applications. Attach to the Milwaukee 8960-20 8 Gallon dust extractor for a complete OSHA table 1 complaint solution.