C&T PUBLISHING CTP20329 Clearview 60 Degree Triangle Ruler, 10" C&T Publishing notions ruler Clearview Triangle 60 Degree 10 C&T Publishing notions ruler Clearview Triangle 60 Degree 10- new & improved, this tool is versatile for many projects including; Tumbling blocks, fireworks, hollow cube, seven Sisters and 60 Degree log cabin blocks Make Triangles, diamonds and half Triangles from this ruler Made of clear Acrylic, markings are every 1/8with alternating Solid and dashed thin lines with heavier lines marking inches all in black