With this multi-size half hexagon ruler, you can cut 6 different sizes of half hexagon: from 2 till 4,5 inch finished size (side of the hexagon). This ruler is the perfect companion for the Hexagon Ruler and the One-derful One Patch Template 60 Degree Diamond.
Many of the patterns in the book Encyclopedia of Patchwork Blocks Volume 6 can be made with these sets of rulers.