ER11 Collet 1/4" (.250-.246) Mechanical Coolant Seal
ER11 Collet 1/8" (.125-.109)
ER11 Collet 11/64" (.172-.156)
ER11 Collet 13/64" (.203-.183)
ER11 Collet 13/64" (.203-.187) Mechanical Coolant Seal
ER11 Collet 15/64" (.234-.215)