Feature:1. Strong Grip: This is triple handle impact drill chuck, can self centering, has strong grip, and high accuracy, easy to use.2. Electrophoresis Treatment: Drill chuck housing adopts electrophoresis treatment, which can prevent rust even in the harshest environment.3. Quick Connection: Chuck drive is quickly connected via a 1/4in hex, which can easily change from tightening to drilling.4. Stainless Steel: The drill chuck converter is made of high quality stainless steel, which has good rust and acid resistance.5. Application: Compatible with impact drills and electric drills of different power, suitable for milling machines, lathes, drilling machines, and woodworking machinery, etc.Specification:Item Type: Conversion Drill ChuckMaterial: Stainless SteelPurpose: Conversion Drill ChuckAppearance Treatment: Electrophoresis TreatmentChuck Clamping Range: Approx. 0.6-6mm / 0.02-0.24inInstallation Specifications: 3/8-24UNF.Package List:1 x Thread Drill Chuck1 x WrenchNote:Cannot be used counterclockwise.