Convert your Speed Blaster into a spot blaster in seconds. without tools; Attach one of the four blast cones provided. push the HotSpot over the Speed Blaster’s ceramic nozzle and go; Individual shapes of the four blast cones conform to any surface; The blast media. rust. scale and debris are instantly directed into the breathable collection bag; The system will virtually eliminate debris and dust. which reduces cover-up and clean-up time