Razorcaps' broadheads are laser welded, ultra sharp, cutlery grade stainless steel, cut on contact heads. These unique broadheads deliver field point accuracy even at speeds as high as 350 feet per second. The NAP Razorcaps super thick .040" stainless steel blades are one of the easiest-to-replace blade systems in the industry. The Razorcaps feature a unique weight adaptable ferrule system that allows the hunter to change point weights without buying new heads. The NAP Razorcaps feature just over 6" total cutting surface and a 1 1/8" Cutting diameter. If penetration is your desire, look no further. These broadheads do not know the word STOP.