GameTracker Terminator Broadheads 145 Grain 4 Blade 6 Pack - for Recurve & Compound Bowhunters NOS. New Old Stock. This field-tested broadhead features a unique locking “screw-down" collar for a most precise blade fit. This feature also allows broadhead interchangeability without disassembling. A 3-sided cutting edge with a high carbon steel tip that aligns parallel with the razor sharp 25/1000" thick stainless steel blades for maximum penetration and guaranteed cut on impact. 1.4" cutting surface. Take a look at the pictures, what you see is what you get!!! Thanks!!