Proflows cutter style design provides a greater sealing area for higher strength and easier assembly. These one piece full flow double anodised 6061 T6 aluminium fittings provide maximum fluid flow with no compromises. Our double viton o-ring seals provide leak free performance when used with a wide range of fluids. Designed specifically with high pressure race applications in mind, our cutter style hose ends undergo a full forging process for added strength and a superior finish. Meticulously hand finished & professionally machine polished, nothing on the market today compares to the proflow 500 series cutter style hose ends. For use with 100, 450 and 450L series hose.