Excalibur's most accurate high-speed crossbow hunting broadhead ever; Broadhead Alignment Technology (B.A.T) for perfect arrow flight; Amazing accuracy even at extreme range when teamed with an appropriately designed arrow; Broadheads are tuneable, allowing you to align the blades so each broadhead flies identically; Durable high-strength stainless steel blades and tip; The perfect compromise between durability, velocity and accuracy; Change the blades without removing the broadhead body from the arrow; CLS (Center Locking System): The most accurate and durable broadhead assembly available; 1 1/16" Cutting diameter; Weight: 150 grains