The Truflex II Flexible Curve 24".
Easily shaped to hold any curve
Lightweight aluminum core holds shape firmly for accurate drawing
Graduated in both inch and metric
Inch graduations in 16ths and 32nds are colour coded black for quick indenification
Metric graduations in mm and cm are colour coded red
Convenient inking edges for pen and marker use
Also includes flat edges on both sides for pencil drawing