SDS-max Chiseling Dust Extraction Attachments, 14 in

Dust-collection shroud - focuses air suction from the vacuum around the chisel for maximum dust collection. Ski-boot style clamping band - provides easy installation and adjustment onto the hammer tube. Adjustable metal extension arm - for easy adjustment, proper positioning and accommodation of different chisel lengths. Rubber bumper - provides cushion on shroud tip if it contacts workpiece during chiseling applications. Three-piece adapter set - allows installation on different-sized hammers. 1 3/8 in dust port - fits Bosch dust-extractor vacuum nozzles. Optional dust-port adapters (sold separately) - can convert the dust port to 1 1/4 in or 2 in vacuum nozzles. Can help to extract dust when working on most Bosch SDS-max® and spline hammers. It fits most Bosch SDS-max® and spline combination rotary and demolition hammers – with exception of the 11316EVS and DH1020VC SDS-max® demolition hammers. Allows the user to access the chisel for installation, removal and adjustment without removing the attachment.