tender for set of external grooving insert for commutator mica under cuttingmachine . one set consists of. [1] width 2mm similar to taegu tec odering code tsc 2k10-01 no/set. [2] width 4mm similar to taegu tec odering code tsc 4k 10-01 no/set. maketaegu tec/certizit/sandvik/widia/kenna metal/seco. specn: as per ordering code:tsc 2k10 and tsc 4k 10 .