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)
ER20 Collet 10.0mm (.393-.354)
ER20 Collet 10.0mm (.393-.374) Mechanical Coolant Seal