Versatile universal drill and hammer wrench Allows you to keep your bits firmly in place for tough jobs. Helps to secure drill bits in hammer drills and is also universal for many other types of drills. GOOD REPLACEMENT --- The drill press spare key is a kind of clamping tool perfect for tightening or loosening a chuck, which can quickly change your drill heads. WIDE APPLICATION --- The steel chuck wrench is ideal for DIYers who need to keep their bits securely locked in their drills. Ideal for home improvement, DIY and large construction projects DURABLE METAL MATERIAL --- The 4 way chuck key is made from strong metal and coated with durable paint, this chuck key will last through any job you can throw at it. Each side is finely crafted for exact fits with its corresponding drill size. SPECIFICATION --- Material: Steel; Weight: approx. 52g/1.8oz; Size: approx. 74*38mm/2.9*1.5in; Outer length: approx. 13mm / 0.5 inch; Inter Length: Approx. 7.4mm / 0.3inch