C12 C16 C20 C25 C32 Side solid extension rod ER11 ER16 ER20 ER25 ER32 collet chuck barrel CNC milling engraving extension rod

C12 C16 C20 C25 C32 Side solid extension rod ER11 ER16 ER20 ER25 ER32 collet chuck barrel CNC milling engraving extension rod

Aliexpress UK