im geting some fat shafts and im looking at gold tip 30x pro, x cutter pro, fatboy , x7 eclipse. ????????? my set up is a 2001 pro tec 45'' axle to axle 9'' brace height 43# i think 29'' draw lengh. the spine on the 30x is .150, what point weight would it take to get it to spine if the arrow is full lengh for my setup??? will the x cutter work for my setup ???????