The PHARMAKON series broadheads, with their patented coring technology, are like no other broadhead in the industry. When it comes to pure devastation and bone crushing performance, look no further. One glance at the PHARMAKON SERIES broadheads and you'll see that they it speak for themselves. They have a solid 1 piece, stainless steel ferrule and tip. The new and improved 2018 “Quick Change, Solid Lock” blades provide a 7/8” cutting diameter and are heavier than the TOXIC’s for even more durability.