MICROMOT-accessories for rotary tools Selected sets (all measurements in inch) Tool assortment for model builders 13 piece set consisting of 2 fine milling bits (1 each cylinder and cone 3/32" (2,35 mm)),2 corundum grinding bits (1 each sphere and cone 13/64" (5 mm)). Each 1 micro drill 3/64" (1 mm) and 3/32" (2,3 mm). 5 cutting discs Ø 7/8" (22 mm).1 spring steel cutting blade Ø 7/8" (22 mm) and 1 mandrel shank size 3/32" (2,35 mm). For cutting, milling, polishing and drilling.