Check the listing for details. DG Performance Alloy Nerf Bars - Alloy Bar - Black Web - 60-2700. Condition: New. Listed at 343.35 USD. Combined lightweight aluminum tubing with high-strength steel bracket brings you the ultimate in 4-wheel nerf bars. 1-1/4 alloy tubes are heli-arc welded at the joints and then brushed to a satin finish or black powder-coated.