Drill Attachments Jacobs Professional Grade 3/8 In. Keyless Drill Chuck With 3/8 In. 24-Mount

Jacobs Chucks and Keys are recognized by Professionals and serious DIYers the world over as the number 1 brand for superior bit holding, durability, and reliability. Keyless operation of this chuck allows for faster bit changes and no lost keys to worry about. Jacobs brand Chucks and Keys – Accept no less.

• Spit bite jaw: increases grip over standard bite chucks by providing more contact with the bit
• Superior gripping force: provides high mechanical advantage to convert hand tightening torque into superior bit gripping force
• Hammerlock mechanism: positive locking mechanism prevents loosening in hammer and other high vibration applications
• Anti-lock nut: prevents chuck from locking open
• Versatility: models available to fit all 10 mm (3/8 in.) and 13 mm (1/2 in.) variable speed corded and cordless portable drills
• Precision operation: meet or exceed stringent din run-out and dimensional specifications
• Ergonomic design: material and surface finish combinations result in increased comfort and performance
• Rugged construction: constructed of high performance material to maximize durability and performance