8pcs BT30-ER16A Collet Chuck 4.33 110mm Length Tool Holder Set NEW

  

8 x BT30 ER16A Collet Chunck. This holder use the standard ER 16 collets. Low strength steel could lead crack and rust very soon, especially by the inside pocket area, accuracy will also drop only after a little while, so make sure avoid purchasing bad quality and unbalanced chucks.