Features:
-The most accurate ER20 collet in the industry- average 0.0002” Total Indicated Runout (T.I.R.)
- Precision ground ， hand inspected !#!amp!*! Best materials ， grinding techniques
- Strong clamp force， wide clamping range
- Specially formulated spring steel
- Hardened and precision ground

Specification:
Type: 1/4" ER20
Weight: 45g
Length: 33mm
Diameter of Excircle:21mm

Package included:
1x ER20 COLLET