6-Carbon Express "Maxima Blue Streak" arrows with "Dual-Spine, Weight-Forward" technology, Blazer veins and "Launchpad" nocks. Mdl# 50652; Size-350; 8.3 Grains/Inch; Spine-0.347"; Diameter-0.295".Includes: 6-75grn Muzzy MX-3; 6-125grn Muzzy 125; 4-75grn practice points; 8-125grn practice points. Everything is new-old stock that has never been used!