Patchwork Equidistant ruler Seam parts parallel wheel cloth diy scanning line ring round seam parts tailor sewing scribing tool Go to amazon.com Related posts Top 11 best parallel ruler small: Which is the best one in 2022? FeatureQuantity:4pcs/lotColor: Random ( please understand )sizes: 3mm, 5mm, 7mm, 10mmMaterial:PlasticPackage included:4pcs