Protect your valuable hydraulic systems with these high-quality dust caps and plugs designed specifically for 1/2-inch flat face hydraulic quick connect couplers. This Neowah set includes 4 male dust caps and 4 female dust caps that fit perfectly on Bobcat skid steer and similar equipment. The male caps measure 0.96 inches in diameter while the female caps are 1.50 inches, providing comprehensive coverage for your hydraulic fittings. These durable rubber covers are compatible with multiple coupling brands including Dixon HT, Tomco FE, Snap Tite 74, Stucchi FIRG, Safeway FFE49, Parker FE Faster FFH, DNP PLT4, and Eaton Aeroquip FD89. Keep dirt, debris, and other contaminants out of your hydraulic system when lines are disconnected. These caps are essential for maintaining clean connections and protecting your equipment's hydraulic system from environmental elements during storage or between uses.