HEX extension with SDS+ tip designed for YT-43991 and YT-43992 chucks Designed for jobs that require greater reach without the need to work with a diamond drill, such as drilling through walls that are 24 cm thick (for installing a kitchen hood vent, a bathroom fan, or routing large-diameter spiro or sewer pipes) Fits with the SDS+ extension Fits the Yato brand bimetallic crown program.
