Wooden Handle Size: 15 pcs, 3 sizes in total: 4 mm, 5 mm, 6 mm. Iron Hoop Diameter: 17 mm (0.67 inch), 21.5 mm (0.85 inch). Length: 90 mm (3.54 inch), 110 mm (4.33 inch). Hole Depth: 35 mm (1.37 inch), 45 mm (1.77 inch). Easy Installation: Available in two sizes with different hole depths, designed to be embedded in the handle recess and securely held by the metal sleeve. Applicable Tools: Suitable for home use, compatible with metal files, screwdrivers, and other hand tools. Thoughtful Design: Wooden handle with natural texture, designed according to ergonomic principles for a comfortable grip. Smooth, flat surface without burrs. Textured top with concave and convex pattern for improved grip and reduced slippage. Material: Wood. Color: Wood color. Package Contents: 15 x File Handle. Note: The package includes only the items listed above. Other accessories are not included. Due to lighting effects and differences in display screens, the color of the item may vary slightly from the images shown. Measurement error allowed is +/- 1-3 cm.