ER40 Collet 16.5mm (.629-.610) Mechanical Coolant Seal
ER40 Collet 17.0mm (.669-.629)
ER40 Collet 17.0mm (.669-.629) Mechanical Coolant Seal
ER40 Collet 17.5mm (.688-.669)
ER40 Collet 17.5mm (.688-.669) Mechanical Coolant Seal
ER40 Collet 17/32" (.531-.500)