Features and Benefits:�Universal handle system: compatible with major brands of SDS plus rotary hammers�Universal vacuum attachment system: compatible with standard hose sizes: 1-1/4 in., 1-1/2 in., 1-7/8 in., 2-1/2 in.�Adjustable depth stop and ruler: easily and precisely adjusts for Accu-Edge2 hole depths�Dust extractor nozzle: SDS plus bit fits through nozzle deburring drilling to collect dustThe only universal tool of its kind on the market, the HAMMERVAC™ vacuum assisted dust extractor delivers a universal solution at low cost of ownership for dust extraction needs. The HAMMERVAC™ universal handle system allows quick set up and is compatible with with major brands of SDS plus rotary hammers and AC/DC hammer drills so users can drill safely into concrete and masonry without purchasing a new drill. It features a universal vacuum attachment system that is compatible with standard hose sizes of wet dry vacuums. This allows a standard wet dry vacuum to provide power and suction needed to remove dust as holes are drilled. Includes (3) side handle clamping collar assemblies, a replacement nozzle, adjustable depth stop and ruler.