Metal hardware and steel castings for use with land vehicles, trucks, and concrete mixer trucks, namely, roller rings, roller tracks, pot flanges, barrel tires, roller bracket assemblies, and spare parts for use with roller bracket assemblies in the nature of rollers, bearings, roller pins, and brackets; metal flanges; metal drum flanges; metal flanges for use with land vehicles, trucks, and concrete mixer trucks; chutes for use on concrete mixer trucks; steel marine hardware and steel castings, namely, chocks, button chocks, closed chocks, open chocks, kevels, kevel chocks, thru-deck kevel chocks, bitts, bitts with horns, single bitts, thru-deck single bitts, double bitts, bollards, D-rings, roller chocks, buttons, roller buttons, panama chocks, and mooring eyes; steel plate doors for use in marine settings, namely, 4-dog doors, 6-dog doors, quick-acting doors, and lever arm doors; steel marine hatches, namely, raised watertight hatches, multibolt manholes, t-bolt hatches, single bolt hatches, twist lock hatches, ullage hatches, and scuttle hatches; steel marine hardware, namely, door handles, door dog handles, flame screens, and gaskets; metal marine hardware, namely, door handles, door dog handles, flame screens, gaskets, bolts, T-bolts, tumble bolts, T-bolt covers, washers, nuts, and cotter pins; steel marine hardware, namely, corner plates for barges, dished heads for barges, deck expansion trunks, deck expansion domes, expansion trunks to access cargo compartments, expansion domes to access cargo compartments, watertight marine closures for workboats; winches