Expandable broadheads featuring SlipCam Rear Blade Deployment System. Stainless steel instant cut tip. Body machined from aircraft quaility aluminum in a HexFlat design for stable flight. Blades fully deploy before they enter. ShockLock System holds each blade in place with use of an O-ring. 2-Blade: Two .035 SS blades, 2'' cutting diameter (3/4'' in flight diameter). 3-Blade: Three .030 SS blades, 1.5'' cutting diameter.