The Ravin Aluminum Crossbow Broadhead, designed exclusively for Ravin Crossbows, gives hunters surgical precision with its rear-deploying blades, which open on impact and have been tested and approved for crossbows shooting up to 450 FPS. This mechanical broadhead has a massive 2-inch cut and internal spring clip, eliminating the need for lock rings and O-rings.Features3 PackAluminum 7075-T6/Steel 12L 14 TipExtreme Accuracy and PenetrationInternal Spring Clip, No Lock Ring or O-ring450 FPS ApprovedRear-Deploying BladesDeploys Upon Impact100 Grain2" Cut