Trophy Taker EZ OUT Field Tips - Archery Practice Tips, 100 Grain, 5/16&rdquo;, 12-Pack ADVANCED O-RING DESIGN: Ensures correct alignment of the point and arrow shaft; Reduces the need to re-tighten TAPERED POINTS: Minimizes damage to bag and foam targets; Creates a hole slightly larger than shaft size so arrows remove easily from targets SCREW IN STYLE: Makes it easy to replace and swap different field tips in and out VARIETY OF USES: Recommended for both practice and target use LIFETIME WARRANTY: Like all Trophy Taker products, backed by an Unconditional Lifetime Warranty