Description: With its triple-edged curved design, this woodworking opener is more evenly stressed, allowing for accurate positioning and increased efficiency. Characterized by smooth opening, few burrs, durable sharpness, and low noise, this hole opener is the perfect tool for woodworkers. It is constructed of carbide material. There are 6 styles for you to choose from. It is suitable for carpentry. Item Name: Hole Opener Material: Carbide Style: 18,20,15,17,19,16 Specification: Hexagonal Shank, Rounded Shank, Random Specification Features: Smooth Opening, Fewer Burrs, Low Noise Size Details: 15, Length: 7.5cm/2.95", Diameter: 1.5cm/0.59"(Approx.) 16, Length: 7.5cm/2.95", Diameter: 1.6cm/0.63"(Approx.) 17, Length: 7.5cm/2.95", Diameter: 1.7cm/0.67"(Approx.) 18, Length: 7.5cm/2.95", Diameter: 1.8cm/0.71"(Approx.) 20, Length: 7.5cm/2.95", Diameter: 2cm/0.79"(Approx.) 19, Length: 7.5cm/2.95", Diameter: 1.9cm/0.75"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Hole Opener