Collet Sealed ER 40 .6563″ 21/32″

Collet Sealed ER 40 .6690″ (17mm)

Collet Sealed ER 40 .6875″ 11/16″

Collet Sealed ER 40 .7080″ (18mm)

Collet Sealed ER 40 .7188″ 23/32″

Collet Sealed ER 40 .7480″ (19mm)

Collet Sealed ER 40 .7500″ 3/4″

Collet Sealed ER 40 .7813″ 25/32″

Collet Sealed ER 40 .7870″ (20mm)

Collet Sealed ER 40 .8260″ (21mm)

Collet Sealed ER 40 .8660″ (22mm)

Collet Sealed ER 40 .8750″ 7/8″