Deep Six is the field proven thread standard designed and manufactured by Easton, for ultra-micro diameter (4MM & 5MM) arrows. Low-friction, high kinetic energy density Deep Six provides the DEEPEST PENETRATION ever seen with any arrow/broad head system. Exodus Deep Six broad heads are 100% designed and manufactured in the good old' USA, specifically to fit the Deep Six inserts offered by Easton. The revolutionary compact head gives it strength to bust through the toughest bones. By matching the length of a field point, the Exodus achieves accuracy never before experience from a fixed blade. With razor-sharp, durable blades and a steep cutting angle, the Exodus tops the broad head market in penetration. With heavy duty SST material, you never have to worry about the blades holding up as they bust through and knock down the biggest animal you dare to challenge. Protected by US Patent #850643182