ER11 Collet 4.0mm (.157-.137) Mechanical Coolant Seal
ER11 Collet 4.5mm (.177-.157)
ER11 Collet 4.5mm (.177-.157) Mechanical Coolant Seal
ER11 Collet 5.0mm (.196-.177)
ER11 Collet 5.0mm (.196-.177) Mechanical Coolant Seal
ER11 Collet 5.5mm (.216-.196)