<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_1_1445790071235_2393" dir="ltr">Since Sphericity is very important, I am investigating 24-26 inch diameter heads to make a sub from a series of small sphere's, up to 26 in dia. I can buy over thickness heads and machine them in my own lathe to create near perfect spheres. I know I sound like a school girl that can't make up her mind what to wear. </div><div id="yui_3_16_0_1_1445790071235_2393" dir="ltr">Hank</div></div></body></html>