Steelcraft STX600 Running Boards have a heavy duty 14-gauge,precision stamped carbon steel deck featuring aggressive traction lugs designedfor maximum safety in any condition. The full 6-1/2" wide x 53” long stepsurface offers comfort and security. Fully E-coated to resist rust andcorrosion then powder coated to withstand years of use. The 1-piece deck isartfully stamped and welded to deflect road debris, mud and grime away from thevehicle.  Rocker Panel Mount.