The Makita Keyless Drill Chuck is a genuine Makita replacement accessory engineered to deliver fast, secure bit changes and enhanced drilling flexibility for compatible Makita drills and impact drivers. Precision-manufactured to Makita’s exact OEM standards, this keyless chuck eliminates the need for a chuck key, allowing you to quickly swap drill bits and driver bits with ease. Features and Benefits • Genuine Makita part • Fast, secure bit changes and enhanced drilling flexibility Specifications • Diameter: 13mm • Spindle Thread: 1/2" – 20UNF • Quantity: 1