The WASP Hammer SST remains one of the top choices among bowhunters shooting fixed blade broadheads. Featuring the SST smart tip the HAMMER is tough enough to punch through the steel of 10 sections of a 55 gallon drum. The Hammer SST offers superior arrow flight in one of the strongest and best penetrating broadheads ever developed. The stainless steel smart tip that is heat-hardened and technologically aligned from the edges of the trocar hollow-ground tip to the rise in the vented blades. Wasp has succeeded in attaining a super clean, sharp penetration that immediately cuts on contact like no other broadhead before it. The 85 grain broadhead has a 1 3/16" cutting diameter with a blade thickness of .020 and the 100 grain broadhead has a 1 3/16" cutting diameter with a blade thickness of .027.