Hitachi Hitachi 950292 3/8-Inch Metal Keyed 3-Jaw Drill Chuck Capacity of 10-milimeter Thread is 3/8-inch-24THD Chuck key number is 319070 Keyed chucks are recommended for drills with higher frequencies Comes with a 30-day limited warranty Well-built with a simple design Has a 3/8-Inch maximum capacity Designed for drilling and driving projects Quick setup is intuitive and easy to use Comes with a 30-day limited warranty