AutoTex Heavy Duty 78-24 78 Series 24" Wiper Blade Crosses to Anco 50 Series (Anco does not fit 17mm Saddles) Crosses to Trico 67-1 Series (ie 67-281) Crosses to Trico 68 Series (Trico does not come with hardware for 17mm) Fits 13.6mm and 17mm Saddle wiper arms OEM on many truck, bus, RV, construction, and agricultural equipment