Extension with SDS + tip designed for YT-43991 and YT-43992 chucks.
Designed for work requiring a greater range without the need to work with a diamond drill, e.g. for drilling through walls with a thickness of 24 cm (for installing a kitchen hood ventilation, a fan in a bathroom, or for conducting spiral or large diameter sewer pipes).
Fits in the bimetallic crown program.
300MM; MACHINE CHUCK SDS PLUS; HOLE SAW CHUCK HEX 11MM; FITS FOR YT-43991, YT-43992