1701400 # 4 Galvanized Round Hook with Pins for Baler Belt FastenersOne New Aftermarket Replacement #4 Galvanized Round Hook with Pins Baler Belt Fasteners This #4 galvanized round hook with pins is a wire hook belt fastener used to splice and join baler belts on round hay balers. The hooks are installed across the cut ends of a baler belt and locked together with a connecting pin, creating a strong, low profile splice joint that holds up under the continuous tension and flexing demands of baling. Galvanized steel