You are looking at a brand new Tandy Leather Craftool Adjustable Groover. This item 8074-00 measures and gouges grooves in one step. This is great for giving hand stitching a recessed look, making the surface of the project smooth. This groover has a hardwood handle and metal ferrule. The width adjusts from 1/16" to 3/4"(1.6 mm to 19 mm). Replacement groover blades are also available in our stecksstore item 8075-00. Please feel free to message with any questions. Thank you for looking.