5-20mm Keyed Drill Chuck with Tightening Tool

• Keyed chuck for secure bit clamping, suitable for precision drilling. • Accommodates drill bit shanks from 5mm to 20mm in diameter. • Includes a matching tightening key for quick and easy bit changes. • Features robust gear teeth on the collar for efficient torque transfer. • Constructed with a polished metal housing and knurled grip bands for enhanced handling. • Brand new condition, designed for durability and reliable performance.