Sealey 13mm Keyless Drill Chuck Single Sleeve 1/2"-20UNF Features: Single sleeve keyless chuck for cordless power tools, air tools and drill presses. Self-locking mechanism allows the user to use just one hand to tighten the chuck. Also features a lock and quick release action. Technical Details: • Single sleeve keyless chuck for cordless power tools, air tools and drill presses. • Self-locking mechanism allows the user to use just one hand to tighten the chuck. • Also features a lock and quick release action. • Model No. DC005 • Model No. DC005 Additional Information: • Single sleeve keyless chuck for cordless power tools, air tools and drill presses. • Self-locking mechanism allows one-handed chuck operation. • Also features a lock and quick release action.