From Rocket:

Sidewinder-3 Broadheads: 100 grains, 1 1/2" cutting diameter, with three 0.036" thick blades. The SideWinder-3 is built for penetration. The blades angle further back than the other Aeroheads and it is tipped with our new Pathfinder cut-on-impact sharpened steel point. The extra wide cut made by the Pathfinder point means less shaft resistance and deeper, deadlier penetration, especially with larger diameter aluminum shafts.