Lacis-Tatting Needle & Picot Gauge. An easy way to decide which tatting needle or picot gauge to use for any projects! This package contains one gauge that measures tatting needles and picot. This gauge has picot measurements from 1/8 inches to 3 inches in 1/8 inch steps and measurements for steel or wood needles from #8 needles to 6mm needles. Comes in a variety of colors. Each sold separately. .