Precision Straight Shank ER Collet Chuck with step. Chucks come with Nut. Wrenches are sold separately.Hardened and ground to exacting specifications.
Straight-Shank ER20 Collet Chuck (Extension) (Hex) | 1 in.
Straight-Shank ER20 Collet Chuck (Extension) | 1 in.
Straight-Shank ER20 Collet Chuck (Extension) | 20mm.
ER11 Straight-Shank Collet Chuck (Extension)
Straight-Shank ER16 Collet Chuck (Extension) | 3/4 in.