30mm-120mm Adjustable Aircraft Type Woodworking Circular Hole Opener Reamer for High Precision and Smooth Cutting

• Made of high-quality alloy material, practical, easy to install and use, wide application range, and long service life.
• Accurate positioning, high hardness, impact resistance.
• There are two adjustable sharp blades on both sides of the measuring rod, and the aperture can be adjusted by the distance from the blade head to the center.
• Drill clean, flat-bottomed holes without debris.
• Very suitable for drawers and ball door installation.