ER40 Collet 7.0mm (.275-.236)
ER40 Collet 7.5mm (.295-.276)
ER40 Collet 7/16" (.437-.406)
ER40 Collet 7/16" (.437-.421) Mechanical Coolant Seal
ER40 Collet 7/32" (.219-.187)
ER40 Collet 7/8" (.875-.844)