Raceworks 110 Series AN-12 Taper Hose End Fitting AN-12110 Series Hose Ends are Taper Hose Ends and suit Raceworks 100 120 140 Series Hose. These fititngs require the Hose to be pushed in and seated on a taper. For this reason, 110 Series Hose ends are easier to install than 100 Series. However, since they don't cut the thread, the gripping force is less than that of 100 Series. For this reason, we recommend Taper Hose Ends for lower pressure applications lower than 60psi. 100 Series Cutter Hose Ends can