The solid steel ferrule sports a brand new hybrid tip design, allowing the Hypodermic to have the aerodynamics and accuracy of a leading edge blade, coupled with the bone crushing performance of our chisel tip. Exclusive hybrid tip. Aerodynamic one-piece steel ferrule. Tough, Razor Sharp .035" Stainless Steel Blades. Increased Penetration. Available in Standard and Deep Six models. Shock Collar ensures proper blade retention. Includes free practice head.