Designed to be used with the , the Cocoknits Ruler & Gauge Set is also useful on its own. Embedded magnets on the back of each tool may attach it to the Maker’s Board or to any metal surface. Useful of course as measuring devices, these tools can also serve as straight edges on the Maker’s Board to help track patterns and charts. Made of PLA (a 100% biodegradable plant fiber) the ruler measures 8" x 1", while the needle gauge (US 0-17) measures 9.875" x 1.375".