Our Leather Template Tools are designed to provide precise and accurate measurements, making your leathercraft projects effortless. Round corner template ruler: Use for bags, corners, wallets, corners, and other leathercraft projects requiring circular arc corner design and cutting. Template has twelve commonly used size marks for arc corners (R3, R8, R9, R12, R14, R15, R16, R18, R20, R22, R24, R28). Leather Template Ruler made of magnetic stainless steel. The surface and edges are carefully sanded and polished, ensuring durability and long-lasting use. Type: A Round Corner Template Ruler Color: Silver Material: Metal Package Contents: 1 x Leather Crafting Tool Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.