Galvanized axle tie plate kit includes (2) tie plates, (4) u-bolts, (8) lock washers, (8) flat washers, and (8) nuts for 2 in. square trailer axles. 2 In. Square Axle Tie Plate Kit | Tie Down Engineering 81185 Tie plate kit for 2 in. square axles Galvanized Kit contains 4 u-bolts, 8 nuts, 8 flat washers, 8 lock washers, and 2 galvanized five hole plates