cutting clear scale sewing patchwork ruler l shape craft quilting tool drawing

made of plastic material, durable and practical. the outer inch is 8 in and 16 in, and the inside is metric cm and mm. l-shaped equilateral metric system with a square rule. built-in clear scale for durability. suitable for garment design, measuring, drawing, drawing seam tools, and can be used with the wheel cutter. thick enough, not hurt hands easily. perfect tools for hand-cutting plates.