The product is easy to use</br>The product is durable</br>The product is manufactured in Taiwan</br>For use with chucks 48-66-1360?? 48-66-1370 and 48-66-1381</br>Use with key holder 48-66-4040</br></br>Product Description</br></br>CHUCK KEY. The product is easy to use. The product is durable. The product is manufactured in Taiwan.</br><br/>http://www.amazon.com/gp/product/B0007WK93Y