Vktech djustable Leather Edge Stitching Groover Leathercraft Groove Gouge DIY Tool 1mm Professional grade tool for handing stitching grooves Adjustable leather edge stitching tool, use to groove the edges of your leatherwork. This tool is made by steel with wooden handle. This groover is easy to adjust. Just loosen the chuck, adjust the blade, and retighten. No tools are needed. Material: Wood and Metal