1. Bit material: chrome vanadium steel
2. CRV steel double batch head, hard but not brittle, tough but not soft
3. Bearing tail body + non-slip handle, better fit your fingers when holding
4. Hidden bits storage compartment, magnetic design, easy to access
5. Multiple applications, suitable for glasses, cell phones, computers, watches, cameras, game consoles, drones, hard drives and other maintenance
6. Weight: about 59g
7. Size: about 1.9 x 1.9 x 11.84cm