The Metal 3 Pro lacrosse shaft features an improved alloy and smarter material distribution to make a stronger, more durable shaft. The Metal 3 Pro utilizes better manufacturing to make the alloy stronger, and String King analyzed warranty claims to help reinforce weak spots without adding extra weight. This is one of the Lax.com pros favorite shafts because they can stand up to hard checks and scrappy ground balls. This shaft also comes in multiple strength and weight options to help you find the perfect shaft for you.