ER20 Collet 1/16" (.063-.047)
ER20 Collet 1/2" (.500-.469)
ER20 Collet 1/2" (.500-.484) Mechanical Coolant Seal
ER20 Collet 1/4" (.250-.219)
ER20 Collet 1/4" (.250-.234) Mechanical Coolant Seal
ER20 Collet 1/8" (.125-.109)