Feature: - Durable:Made of high quality stainless steel material,nut rust. - Brass and sainless steel roller design,make move back and forth without restriction during sharpening. - Support plane iron max clamping width to 80mm. - Support chisel max clamping width to 55mm. - Suitable for wood chisel, planer, blade, graver, carving knife, plane iron, flat chisel edge sharpening. Specification: Name:Brass/Stainless Steel Honing Guide Material:Stainless Steel+Brass Type:Brass Roller/Stainless Steel Roller Color:Silver,Brass Size:82x55x40mm Clamping Width Range: 5~82mm Quantity:1pcsvPackage Included: 1pcs Honing GuidevHow to Use ? Turn the screw cap counterclockwise, clamp your chisel or other knife tools, move up and down to adjust freely blade angle. Then tighten the screw cap clockwise, blade edge is smoothly fitted to the whetstone or sharpening stones, slide the knife back and forth until your tools becomes sharper and more precise. Note: Please allow minor errors due to manual measurement. Thanks for your understanding. - Monitors are not calibrated same, item colour displayed in photos may be showing slightly different from the real object. Please take the real one as standard.