C16 C20 C25 C32 Collet chuck strong straight chuck 3mm-25mm engraving machine spring clamp milling cutter C Type Powerful Chuck
https://www.vogueparade.com/shopping/EN/100007188/1/1005003491035492/c16-c20-c25-c32-collet-chuck-strong-straight-chuck-3mm-25mm-engraving-machine-spring-clamp-milling-cutter-c-type-powerful-chuck//