ER11 Collet 6.5mm (.255-.236) Mechanical Coolant Seal
ER11 Collet 7.0mm (.275-.255)
ER11 Collet 7.0mm (.275-.271) Mechanical Coolant Seal
ER11 Collet 7/32" (.219-.214)
ER11 Collet 7/32" (.219-.214) Mechanical Coolant Seal
ER11 Collet 7/64" (.109-.094)