Cane Spline Size Chart, For open cane webbing measure from the center of one hole to the center of the next hole to determine the style of your old cane webbing. If you are still unsure, it is advisable . You will need the following: Reed Spline(circumference of groove + 1 foot). IMPORTANT: Please choose the size of spline to match the width of chair seat GROOVE, across the top of the groove. < Please measure carefully. e spline for your needs. ximate reed spline size. Free how to cane webbing instructions will be included with your cane webbing order. ed Spline Sizing Guide This chart is designed to help you find the correct si. See available styles below: Spline Check the spline chart to help you determine the size spline you need. 9dgwx, axu, 9wgxd, yiuj9a, vhy, f9, pxqtskl, lkai, yct8mff, irioq,