SpinAbout 16.5 in Square Ruler

The SpinAbout 16.5 in Square Ruler is a precision tool made in the USA, designed to enhance your quilting accuracy. Featuring non-slip surfaces and clear blue and white translucent markings, it works perfectly on both light and dark fabrics. Its unique SpinAbout feature lets you rotate the ruler 180°, making it simple to add a ½ inch seam allowance. With invisible line windows for perfect fabric alignment, 45° diagonal guides, and dual-direction 1/8 inch scales for right or left-handed use, this ruler ensures flawless squaring and trimming every time.