Features: Made from metal and materials, enduring and wear resistant to use. Suitable for making violin / viola pegs holes. 1:30 taper, special spirals flutes designs. With handle for convenient and easy usage. Very nice tool for luthiers making violin. Specifications: Materials: High speed steel and Size: about 15.55x11x1.5cm/6.12x4.33x0.59inch Package Includes: 1pc Violin Peg Hole Reamer note: Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color of the item.