9.5mm HEX Shank Arbor With 5% Cobalt Twist Drill Bit Suitable For 14mm-16mm Hole Saw

9.5mm Hex small arbor with M35 Spare pilot cobalt 5% bits  for 14-30mm hole saw

9.5mm Hex large arbor with M35 Spare pilot cobalt 5% bits for 32-152mm hole saw