ER11 Collet 5.5mm (.216-.196) Mechanical Coolant Seal
ER11 Collet 5/32" (.156-.141)
ER11 Collet 5/64" (.078-.063)
ER11 Collet 6.0mm (.236-.216)
ER11 Collet 6.0mm (.236-.216) Mechanical Coolant Seal
ER11 Collet 6.5mm (.255-.236)