Premier 11A40SL.10.0 21ZA-4209 Tool Holder 3/8 ES is a tool holder designed to securely mount cutting tools with a 3/8 inch interface in compatible machine tools. The model is 11A40SL.10.0 and the part number is 21ZA-4209. This holder is suited for standard machining setups where reliable tool retention and precise seating are required.
