Collet chuck Outside hexagon 6.3 = 1/4", for taps 849 IG-M 3 to M 6 (in conjunction with adapter 2250-1) HAZET – Quality tools for the professional HAZET – Development, design and manufacturing competence for an in-house production proportion of over 75% Collet chuck Outside hexagon 6.3 = 1/4", for taps 849 IG-M 3 to M 6 (in conjunction with adapter 2250-1) HAZET – Quality tools for the professional HAZET – Development, design and manufacturing competence for an in-house production proportion of over 75%, Weight: 0.11 pounds, Manufacturer: HAZET