Model#JCM31037

SKU776473

UPC95456010376

Jacobs, 1/2" Professional Keyless Chuck, With 3/8" Mount, Hand Tite, Makes Any 3/8" Drill A 1/2" Drill, Based On An Exclusive Patented Design, Achieves Higher Gripping Power Than Standard Keyed Chucks, Improves Drill Performance.