Set of 12 handy stitch markers with the size of the crochet hook printed on both sides in bold black lettering. One side is showing the size in millimeter's and the other side is showing the size in the USA standard where one exists. The standard set is marked with two each of the most commonly used sizes. 3.75/F, 4/G, 4.5/4.5, 5/H, 5.5/I and 6/J. Hue/tint may vary on the markers depending on supply, but otherwise will match as closely as possible. The set comes with the holder as pictured. The holder m