DEWALT DWH200D-SDS+ Rotary Hammer Dust Exctraction Cup SetThe DWH200D is the industries first OSHA compliant solution for SDS plus rotary Hammers, and corded cordless hammers drills. This total tool solution allows users to collect harmful silica dust with SDS plus and percussion bits. The three precision tuned clear tubes allow users to work with stop bits, bits up to 6", and bits up to 10" In length. The 4' Long anti static hose comes equipped with an airlock connection. The DWH200D is an OSHA Objective