ER20 Collet 13/64" (.203-.199) Mechanical Coolant Seal
ER20 Collet 15/32" (.469-.437)
ER20 Collet 15/32" (.469-.453) Mechanical Coolant Seal
ER20 Collet 15/64" (.234-.219) Mechanical Coolant Seal
ER20 Collet 17/64" (.266-.250) Mechanical Coolant Seal
ER20 Collet 19/64" (.297-.281) Mechanical Coolant Seal