The F80G /Dexter Marine part number 49545 is a low capacity square axle designed for marine use. The galvanized finish and pressed stainless steel wear sleeve creates the best corrosion resistance for salt water and fresh water environments. The zerk fittings at the ends of the spindles allows for simple grease packing and repacking. When used in conjunction with a plugged grease cap there is no longer a need to pull off the hub. The 5/16 drain hole is predrilled by the manufacturer and allows water to be purged from the axle after submersion.Features. Hot dipped galvanized steel beam to combat corrosion. Galvanized axles will last much longer than painted ones and are perfect for marine applications. Features a stainless steel wear sleeve on either spindle. Slight camber present in the welds of the spindles. Includes 2 castellated nuts, 2 washers, and 2 cotter pins. EZ Lube spindle design features a zerk fitting at the ends of both spindles for easy bearing lubrication. Flangeless. Predrilled 5/16 drain hole. Should not be used with wheels exceeding 13Specifications. Size 2 in.. Capacity 2,000 lbs. Hub Face Measurement 75. Overall Length 80. Beam 2 x 2 Square. Spring Center Range 60 65. Spindle 1.1/16 straight. Country of Origin United States