McMaster 3060T253 Galvanized Steel Square U Bolt, 1 2" 13 Thread Size, 6" Inside Width, 8 5 8" High 6003ZZC3 L627 Series Regent Caster Type Swivel Series Regent Caster Type Swivel Caster Brake Type Side Brake Duty Rating Light Duty Load Capacity 160 lb Wheel Diameter 5 in Wheel Width 1 in Wheel Tread Material Rubber Wheel Core Material Polypropylene Wheel Hardness Rating 65 Shore A Wheel Tread Color Gray Tread Shape Donut Wheel Bearing Type Plain For Axle Diameter 5 16 in Mounting Plate Shape Rectangle Mounting Plate Width 2 5 8 in Mounting Plate Length 3 3 4 in Mounting Plate Thickness 3 32 in Mounting Height 5 7 8 in Mounting Bolt Diameter 5 16 in Mounting Hole Type Slot Caster Frame Material Steel Frame Finish Zinc Plated Brake Location Left Side Non Marking Yes Caster Features Debris Resistant Tube Fitting Material Copper Specific Fitting Shape Reducing Tee Fitting Connection Type Press x Press x Press Specific Pipe Fitting Shape Tee Basic Pipe Fitting Shape Tee Basic Pipe Fitting Material Metal Compliance ABS: America Bureau of Shipping Shape Square Includes Mounting Plate No Thread Size 1 2" 13 Material Galvanized Steel Inside Width 6" Height 8 5 8" Thread Length 5 5 8" Weight Capacity 2 Galvanized Steel — Galvanized steel U bolts have better corrosion resistance than black oxide and zinc plated steel U bolts