ER20 Collet 11/32" (.344-.328) Mechanical Coolant Seal
ER20 Collet 11/64" (.172-.167) Mechanical Coolant Seal
ER20 Collet 12.0mm (.472-.433)
ER20 Collet 12.0mm (.472-.452) Mechanical Coolant Seal
ER20 Collet 12.5mm (.492-.472) Mechanical Coolant Seal
ER20 Collet 13.0mm (.511-.472)