The STX Surgeon 500 Head was designed by STX specifically to amximize their ACP Technology (All-Climate Performance), which helps the head to maintain its shape and integrity in all climates. STX's new design has allowed them to cut the weight down by 10% from the last model, maiking it the lightest NFHS head that STX offers! The head is built with STX's Forward Cant design to push the ball to the sweet spot, providing a quicker release and better feel. The low pocket design offers you a quick and smooth release. Order today to start picking apart the competition!