This is probably the best product to begin with for all boring application. The KIT has a very precise Micro Boring Head with a minimum adjustment of 2 Microns.
The Micro Boring Kit is available in 2 types of sets a MBKT set that has a range from Dia 6 to 135 mm & WBKT set with a larger & very rigid boring head that has a range from Dia 6 to Dia 205 mm.
Both the MBKT series and the WBKT series have a 2microns adjustment on Dia to make high precision bores . They are also well balanced by design to give a good finish and improve accuracy of bored holes .