Metal 2 shafts are lighter, stronger, and better. Advanced manufacturing and new materials create a lighter shaft with more strength per gram.Attack Weights: 125 grams, Most recommended for ages 11 and under 135 grams, Most recommended for ages 12-14 145 grams, Most recommended for ages 15-17 155 grams, Most recommended for ages 18 and over 165 grams, Most recommended for ages 18 and over Contents: Metal 2 Attack Shaft Butt End End Cap Lacrosse Tape Head Screw Why StringKing Metal 2?Double taper technology -Our advanced manufacturing process moves material from low-stress to high-impact areas of the shaft.Next-generation alloy -We traveled to 8 countries and found an alloy lighter and stronger than what's used in the aerospace, military, and automotive industries.Preference is everything -Metal 2 Attack shafts are available in five weights to offer a perfect option for every playing style, so you can select the combination of speed and strength needed to optimize your game.6-month warranty -We extended our quick and easy warranty to 6 months because we believe in the durability of our Metal 2 shafts.