Milwaukee 48-66-3280 Chuck Key for Chucks 48-66-1360, 48-66-1370, and 48-66-1381 - 2 Pack The product is easy to use The product is durable The product is manufactured in Taiwan For use with chucks 48-66-1360, 48-66-1370 and 48-66-1381 Use with key holder 48-66-4040