13Mm Chuck Key 6Mm pin 12 teeth Black finish High-quality material Easy to use Great for changing drill bits 13Mm Chuck Key The Chuck Key is perfect for all kinds of tradesmen. This tool will come in handy for tightening most drill and lathe chucks. A device used to loosen or tighten the bolts or cam locks on the chuck. It is made from high-quality material so it won't corrode or rust easily. This chuck key also is easy to use and easily turns the chuck however you want it. You should have one of these in hand especially if you use drills a lot. Features Durable material Ideal for tightening or loosening drill chucks High-quality finish Compact and efficient