ER40 Collet 11.0mm (.433-.393)
ER40 Collet 11.0mm (.433-.413) Mechanical Coolant Seal
ER40 Collet 11.5mm (.452-.413)
ER40 Collet 11.5mm (.452-.433) Mechanical Coolant Seal
ER40 Collet 11/16" (.688-.656)
ER40 Collet 11/32" (.344-.312)