ER11 Collet 1.0mm (.039-.019)
ER11 Collet 1.5mm (.059-.039)
ER11 Collet 1/16" (.063-.047)
ER11 Collet 1/32" (.031-.027)
ER11 Collet 1/4" (.250-.234)
ER11 Collet 1/4" (.250-.246) Mechanical Coolant Seal