Drill head (bit case) 13 mm size with tightening key

Professional drill head size 13 mm designed to securely fix drill bits with high stability during work. Suitable for industrial tasks, workshops, and intensive home use. ✔ Fixing capacity from 1.5 to 13 mm ✔ Key tightening system for stronger stability and higher safety ✔ Durable metal body withstands pressure and torque ✔ Ideal for work with iron, wood, and plastic Comes with a dedicated tightening key for easy tightening and loosening and ensuring perfect fixation during operation.