The Tork Craft chuck key or wrench is a tool that is made for the purpose of tightening or loosening the jaws of a chuck while the chuck is a type of clamp that is used to hold a cylinder object.
Features & Benefits: Ultra replacement 10mm (3/8) keyed chuck, 24 thread.
Replacement drill chuck for use in most small electric and cordless drills.
Fits most 10mm drills.
3/8in x 24 UNF thread.
Opening capacity: 10mm.
All metal construction for durability.
Chuck key included.