1.5Pcs Forstner Drill Bit Set 15 20 25 30 35mm with Wood Auger Cutter and Hex Wrench for Power Tools Blue Key features Five Forstner bits: 15, 20, 25, 30, and 35 mm diameter for a range of hole sizes in wood. Alloy construction for durability and long tool life. Color: blue and silver; shank diameter approximately 78 mm. Includes a hex wrench for quick bit changes and secure mounting. Designed for use with power tools; suitable for standard drill chucks. Why you need this Produces clean, flatbottom holes with minimal tearout, ideal for dowels, hardware installations, and joinery. The wide diameter range covers common woodworking tasks from furniture making to cabinetry. What makes it stand out Alloy construction combines strength with lighter weight for comfortable handling. The set covers multiple hole sizes in one package, reducing the need to switch bits frequently. Material and size details Material: alloy Color: blue + silver Diameter: approx 78 mm (shank) Hole diameters: 15, 20, 25, 30, 35 mm Practical use scenarios Cabinetry and furniture making: drill precise flatbottom holes for dowel joints or hardware receptacles. Home workshop projects: create large holes for cable management through desks, shelves, or entertainment centers. General woodworking: bore clean, decorative pockets or openings in softwoods and hardwoods with minimal surface splintering. Compatibility and usage tips Suitable for power tools with standard drill chucks. Use appropriate drill speed to maintain control and prolong bit life. Begin with a pilot hole if working with hard woods to improve guidance and accuracy.