Features: 1.Professional leather tools for handing stitching grooves. 2.Ergonomic design handle is very comfortable to hold and operate. 3.1.5-20mm/0.06-0.79inch adjustable guide groove width. 4.The blade is on the same line as the handle, which can offers better control and downward blade pressure. 5.The blade is easily locked in place by the sturdy chuck, a great tool for your leathercraft projects.specification: Professional leather tools for handing stitching grooves. Ergonomic design handle is very comfortable to hold and operate. 1.5-20mm/0.06-0.79inch adjustable guide groove width. The blade is on the same line as the handle, which can offers better control and downward blade pressure. The blade is easily locked in place by the sturdy chuck, a great tool for your leathercraft projects. : Material: Aluminum + Steel Color: Silver Width of 3 Replacement Oblique Cutting Tool Heads: 0.8mm/0.03inch, 1.0mm/0.04inch, 1.2mm/0.05inch Package List: 1 x Stitching Groover Set