Our leather template tools are designed to provide precise and accurate measurements, making your leathercraft projects easier. Round corner template ruler: Use for bag corners, wallet corners, and other leathercraft projects requiring circular arc corner design and cutting. The template includes twelve commonly used size marks for arc corners (R3, R8, R9, R12, R14, R15, R16, R18, R20, R22, R24, R28). Made of magnetic stainless steel, this leather template ruler features a surface and edges that are carefully sanded and polished for durability and long-lasting use. Type: A – Round Corner Template Ruler Color: Silver Material: Metal Package Contents: 1 x Leather Crafting Tool Note: The package includes only the items listed above; other products are not included. Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.