star cnc machine inside

Catalog
Comparison : Item # SD125R 1/4, 1/4 Inch (in) Inner Diameter Guide Bushing
Item # SD125R 1/8, 1/8 Inch (in) Inner Diameter Guide Bushing
Item # SD125R 3/16, 3/16 Inch (in) Inner Diameter Guide Bushing
Item # SD125R 3/8, 3/8 Inch (in) Inner Diameter Guide Bushing