Leatherworking marking gauges: built from durable, corrosion resistant carbon steel to ensure long life and reliable performance in leathercraft marking tasks. This material choice helps maintain accuracy even with frequent use and exposure to working environments. Wing divider: a versatile compass tool suitable for both professionals and hobbyists. It is designed to accommodate a broad range of users with different skills and needs, making layout and spacing tasks more accessible and consistent. Geometrical circle tooling is part of its flexible design. Circle marking tool: features an easy to read scale and a smooth adjustment mechanism, allowing fast, accurate setup and easy adjustment to the desired measurements and spacing for circles and arcs. Drawing compass: performs multiple roles as a wing compass and caliper, providing a versatile tool for a variety of applications. This integration supports different drafting and marking tasks in one instrument. Key benefits - Durable carbon steel construction delivers longevity and corrosion resistance for demanding use. - Broad usability from professionals to DIY enthusiasts, with a design that supports diverse skills and needs. - Easy to read markings and a smooth adjustment mechanism enable quick, precise setup and reliable results. - Multi functional tool set reduces the need for multiple instruments, offering versatility in leatherworking, geometry tasks, and drawing. Use scenarios - Leathercraft marking: accurately scribe stitch lines, transfer patterns, and set precise spacing for consistent stitching and edge markings. - General layout and geometry: mark circles, arcs, and radii with reliable accuracy for patterns, templates, and craft projects. - Woodworking and drafting: combine caliper and compass functions to measure and transfer dimensions, lay out parallel lines, and create precise circular features.