General description A self-tightening flat jaw drill chuck suitable for both stationary and hand-operated drills. The Rohm 871050 SUPRA-S Quick-action Drill Chuck is designed for easy and quick clamping of tools, ensuring a strong and reliable grip during operation. Technical specifications Chuck Capacity: 1.0 - 13mm Chuck Diameter: 40.2mm Chuck Type: Keyless Length: 76.3 - 83.6mm Mount: 1/2" - 20 Concentricity: up to 0.17 mm Compatibility and accessories For Use With: Power Drills Other information MPN: 871050 EAN: 4019208191812