ER40 Collet 26.0mm (1.023-.984) Mechanical Coolant Seal
ER40 Collet 27/32" (.844-.813)
ER40 Collet 29/32" (.906-.875)
ER40 Collet 3/16" (.187-.156)
ER40 Collet 3/4" (.750-.719)
ER40 Collet 3/8" (.375-.344)