Collet 100PG .2188″-.2344″ 15/64″
Collet 100PG .2344″-.2500″ (6mm) 1/4″
Collet 100PG .2500-.2656″ (6.5mm) 17/64
Collet 100PG .2656″-.2812″ (7mm) 9/32″
Collet 100PG .2812-.2969″ (7.5mm) 19/64
Collet 100PG .2969″-.3125″ 5/16″