Pre-owned Blue-Point keyed drill chuck built for secure bit holding and professional shop use. Designed to mount on 3/8″ square drive tools including adapters and drill motors. • Blue-Point keyed drill chuck • Model: EW-157 • 3/8″ square drive mount • Chuck capacity: 3/32″ – 3/8″ • Designed for secure bit gripping in drilling and tapping • Professional-grade hand tool • Blue-Point EW-157 chuck, drill chuck, 3/8″ square drive adapter chuck, mechanic tool