General description Sharpening Guide made of premium stainless steel, designed for wood chisels, planer blades, and flat chisels. It features a brass roller with a retaining ring, ensuring smooth and safe sharpening without slipping. The fixed angle design makes it easy to use, providing precise sharpening for various tools. Technical specifications Material: Stainless Steel + Brass Clamping Width: 8mm to 82mm Maximum clamping width for plane: 82mm Maximum clamping width for chisel: 58mm Product Weight: 270g Item Size: 9.7 x 4 x 4 cm Usage To use, turn the screw cap counterclockwise to attach the chisel or tool. Adjust the angle as needed, then tighten the screw caps clockwise. Rub the knife back and forth against the grinding wheel or sharpener until the tool is sharp. Other information Package includes: 3 x Chisel Honing Guides 1 x instruction manual (French not guaranteed)