The most recent exclusive development of assorts machine tools co. The various great salient features of this high quality product are as listed below:- available in mt 2 & mt3 precisely grounded shanks. Hard & ground hss cutting tool bit. Graduated scale showing the circle cutter diameter readings for an easy setting & handy reference of our end users. Sturdy setting of the graduated scale & the hss cutting bit by simply tightening the allen screws provided along. Minimum circle diameter 38 mm (1.5 inches) 165 maximum circle diameter 165 mm (6.5 inches)