New 4Pcs TOTAL CAT40-ER20 Collet Chucks Tool Holder short & long 0.0001 Runout
Set of 4 CAT40 ER20 Collet Chucks Tool Holders. Compatible with CAT40 spindle machines. Includes four collet chucks for versatile tool holding. Ensures 0.0001 runout for accurate tool rotation.