This is a set of 3 lathe boring tools to do all your jobs from small to large. There are 3 boring bars each with a 2 sided trapezoidal carbide tip and special torx wrench. Also included are 5 spare inserts giving you a total of 16 cutting tips.
Bar # 1 is 6" long and 1/2" diameter with flats on 2 sides 0.46" across.
Bar # 2 is 5" long and 3/8" diameter with flats on 2 sides 0.33" across.
Bar # 3 is 3" long and 1/4" diameter with flats on 2 sides 0.22" across
Spare inserts can be ordered in sets of 5 on our part # 700105