This unique, cast-acrylic tool combines the functions of a ruler, hip curve, and French curve. Perfect for laying out lapel, elbow, skirt, slack, trouser, and other special contours. Also allows drawing a wide range of tighter curves by simply turning the tool. Incoproates a ruler and 1/8" grid for straight-line drawing. Designed for the fashion industry, but equally useful to all artists and draftsmen. Overall length: 24". Calibrated in inches to 1/8th along curved and straight edges.