Carbon Express Maxima Red 4mm Arrows 400 6 pk. 4mm Micro-Diameter Arrow Shaft;Red Zone With Tri-Spine Technology;Manages Dynamic Spine Through The Shot Cycle;Faster Arrow Recovery;Cleaner Broadhead Steering;Reduced Wind Drift;Enhanced Penetration;360 Degree Spine Consistency For Uniform Shaft Behavior;Straightness: +/- 0.002 Inches Max;Average Straightness: +/- 0.001 Inches;Weight Tolerance: +/- 1.0 Grains;Components: Bohning Alpha Vanes,Bulldog Nock Collars,4mm Aluminum 50 Gr Outsertstable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 1000 Product Group Code: 1000A Product Sub Group 1: 1000A1 Product Sub Group 2: 1000A1B Pack Size: 6 Inactive: No