The DEWALT DE7778 Dust Extraction Kit, with a 35mm connection port, is suitable for the following DEWALT Mitre Saws DW700,DW701,DW707 and DW709. The Kit helps keep your workspace both dust free and clean. The DE7778 kit includes 3 x Hoses, 1 x 3-Way Adaptor, 3 x Attachments, 3 x Hose Collars and 1 x Blanking Piece.