ER20 Collet 10.5mm (.413-.393) Mechanical Coolant Seal
ER20 Collet 11.0mm (.433-.393)
ER20 Collet 11.0mm (.433-.413) Mechanical Coolant Seal
ER20 Collet 11.5mm (.452-.413)
ER20 Collet 11.5mm (.452-.433) Mechanical Coolant Seal
ER20 Collet 11/32" (.344-.312)