8pcs CAT40-ER16A Collet Chuck 3 75mm Length Tool Holder Set

  

8 x CAT40 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.