[Precision Drilling] Right-handed spiral tip ensures accurate positioning and smooth drilling, preventing blockages and delivering straight holes. [Efficient Chip Removal] Wide grooves effectively remove chips quickly, maintaining drilling continuity and preventing clogging. [Versatile Application] Suitable for various wood materials, including ordinary wood boards, MDF, plywood, rosewood, particle board, and solid wood. [Powerful Grip] Hexagonal anti-slip handle provides high torque and prevents slipping during operation. [Compatible Equipment] Designed for use with hand drills, bench drills, and other drilling equipment. Specifications: Material: High-quality steel Function: Drilling holes in various wood materials Size: 22 x 460mm Note:  A power drill of 800W or above is required. Deep-hole drilling with a twist drill encounters high resistance; low-power drills may get stuck.