Item #1603 Blair Rotabroach style 5/16 replacement Cutter. Made in the USA

This is Champion brand replacement cutter for the Blair Rotabroach arbors. It is a high quality special heat treated alloy for extra hardness. It has a black oxide finish. Note: the 5/16 size works on the Blair Rotabroach arbors with the centering pin,  not the skip proof with the drill centering pin.  Made in the USA.