Barnwell 4pc Long Mag Drill Weldon Bit Cutter Extension Bar Arbor Set (50mm 75mm 100mm 150mm)

This is a set of 4 Barnwell extension bar arbor to be used with mag drill cutters which have a weldon shank
The bars have a 35mm outside diameter

This set includes 4 bars which will extend the cutter by
50mm,
75mm,
100mm,
150mm

The hex key needed is included