The DEWALT DWH052 Demolition Hammer Dust Extraction System is compatible with DEWALT Demo Hammers D25980 and D25960. It will accept DEWALT pointed and flat chisels up to 1.25mm wide. It also fits the DW universal hose connector. Supplied with 1 x Dust Extractor Base 1 x Mounting Bracket 1 x Mounting Bracket Strap