ER20 Collet 11.5mm (.452-.413)
ER20 Collet 11.5mm (.452-.433) Mechanical Coolant Seal
ER20 Collet 11/32" (.344-.312)
ER20 Collet 11/32" (.344-.328) Mechanical Coolant Seal
ER20 Collet 11/64" (.172-.167) Mechanical Coolant Seal
ER20 Collet 12.0mm (.472-.433)