12 Victory Archery TECHUNTER Arrows, supremely accurate and field rugged! BIG BUCKS OFF! Engineered and built for superior down-range accuracy... get ready to put the Victory in your hunting! Pure carbon construction with ICE coating, the shafts specially designed for broadheads for unsurpassed toughness and durability; 31" length. Made to an ultra-demanding .003 straightness tolerance;  400 8.0 gpi. 500 7.2 gpi. "V" nocks; With aluminum inserts for your heads.; Available in 3 sizes. 350 fits bows with 60-70 lb. draw weight. 400 fits bows with 50-60 lb draw weight AND 500 is for 40-50lb.