Out of stock Add Wish List Quick view Out of stock Layout Square: Fin Placement - Inches Only Shapers Layout Square with Fin Placement Measurements. Clear Poly-carbonate 'transparent' sheet which sits flat on surfboard blank Giving accurate center-finding measurements from stringer to rail Inches Measurements Only Measure Nose, tail and Midp… MSRP: Was: Now: $55.00 Out of stock Compare