1. SPANNING RANGE: Our chuck has a clamping range of 2 13mm, providing flexibility to accommodate various drill sizes and enhancing its versatility in work. 2. STURDY GRIPPED DRILLS: Our chuck holds drill bits securely, ensuring they stay firmly in place even under extreme conditions, offering absolute safety during operation. 3. KEYLESS SELF TENSIONING: With an intuitive, keyless, and self tightening design, our chuck ensures smooth operation in line with ergonomic principles. This design simplifies usage and enhances the overall work experience. 4. LONG SERVICE LIFE: Engineered for durability, our chuck resists wear and tear, delivering exceptional longevity and reliable performance during prolonged, demanding tasks. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin