1/8inch handle and 1/4inch head length for easy handling and precision control.perfect for use with tools, such for , for woodworking, metalworking, stone carving, and more. Total Length: 43-51mm, Cutting Diameter 1/4inch, Length 35mm, Diameter 1/8inch.Please check the size before you buy it. High-quality : burr set for versatile use in carving, Metal engraving, drilling, and more. Double cutting belt design for efficient material removal and finish. Packaging: The drill bit set is packaged in a small plastic box with a separate slot for easy access and use, no need to and always keep it tidy. Material: Metal colour: Silver Package Contents: 20 x files Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.