The T408 Aluminum Multi-use Twin 8 ft Step Ladder has a duty rating of 375 pounds per side making the T400 series ladders ideal for one or two-person jobs. The tops are made of heavy gauge extruded aluminum, and the steps are connected with a solid double riveted construction. The extra wide TRACTION-TRED® steps are slip resistant. The bottom steps are braced with full U channel knee braces.