ER32 MT2 Collet Chuck set - Metric (19pcs) - Use with Myford, CLARKE, WARCO
MT2 ER32 COLLET CHUCK, Collets, C - Spanner and Case. On these type of collets they have for example "20-19" and "2-1" printed on them as they can hold the first size and clamp down to the first size minus 1mm.