Super Precision ER16 Collets Chuck Milling Lathe Tool & Workholding 4mm-ER16-4mm

This is a Precision Collets For Professionals And Hobbyists Demanding Ease Of Operation And High Quality Work Results. Specification:
/Style: ER16
Material: High Grade 45 Carbon Steel

Total height: 27.5mm
Outer diameter(): 17mm
Grping Range:4mm
Fits metric shank size(s): For example,1mm Collet Fits 1mm metric shank,2mm Collet Fits 2mm metric shank.

Features:
Made of high grade specially formulated spring steel.
Hardened and precision ground.
Built in self-Release design and tools will never get stu in holder.
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