FOUR SHOULDER BOLTS PLUS TWO LOCK NUTS. BOLTS REPLACE 11142, 137644, 184219, 193406, 532137644, 532184218, 532193406, 738-3056, AND 938-3056. THE NUTS REPLACE 73930600, AND 712-04065, AND 912-0431. USED ON MANY BRANDS WITH DECK WHEELS THAT HAVE 2 1/2" DEEP HUBS. THE SHOULDER ON THE BOLT IS 2-5/8" LONG, THE THREADS ARE 3/8"-16, AND THE OVERALL LENGTH OF THE BOLT IS 3-5/8".