1. Smooth and Performance Drilling: The 4notch design significantly reduces resistance and ensures no burrs, enabling accelerated drilling speed through advanced layered cutting technology. 2. AntiSlip Technology Featuring advanced antislip technology, it enhances stability and ensures efficient torque even under challenging working conditions. 3. Applications: A versatile drilling solution for diverse applications. Optimized portability with a compact design. The included storage case prevents damage and loss while preserving precise step diameters. 4. Optimized Cooling: Thanks to its stepped structure, this tool achieves efficient heat dissipation, prevents overheating, maintains sharpness, and delivers consistent performance over time.