The Makita 196193-0 Keyless Percussion Drill Chuck is a high-quality accessory designed for use with Makita drills. This chuck, specifically designed for the MT815K, M810K, HP1621, HP1631, and HP1641 models, allows for easy bit changes without the need for a key. With the reputable Makita brand behind it, this chuck ensures durability and reliability for your drilling needs.