description 8 ft. type iaa fiberglass twin ladder the werner® 8-foot type 1aa twin fiberglass step-ladder delivers heavy-duty support at weights up to 375 pounds. the occupational safety and health administration (osha) certified the 8-foot step ladder for use on commercial job sites, and the american national standards institute (ansi) rated it with an a14.5 designation for structural support. the unit maintains its strength with an edge® bracing system that protects against stress. it's fiberglass body includes bolted supports with aluminum rivets to back up rail strength. the werner step ladder maintains high levels of visibility with glas*mark® reflection strips and prevents foot slips with traction-tred® strips on every rung. the maximum load rating applies to each side, so you can work alone or with a partner to increase efficiency without having to switch places while you work. california proposition 65 warning. features maximum reach height: 12-ft heavy gauge aluminum extruded top with thick side plates for solid support back-up aluminum plates reinforce all top connectors shoulder bolt and lock nut on top hinge; 4 solid aluminum rivets attach top to each rail slip-resistant traction-tred steps are double riveted and knee-braced for secure footing extra heavy-duty internal aluminum spreaders the edge bracing system helps to decrease damage to rail glasmark violator stripes on rails allow ladder to be more visible aluminum external rail shield helps protect against abrasion damage specifications acme tools brand name werner acme tools part number t7408 ansi approved yes ansi ladder rating type iaa assembled weight (lbs) 40.5 base spread (in) 64.13 base width (in) 28.25 california proposition 65 warning required no country of origin mexico csa certified no distance between rung/steps (in) 12.0 duty rating (lbs) 375.0 globaltradeitemnumber (gtin) 00051751011579 internal supplier part # t7408 internet product code (ipc) 0478981d450 ladder length (ft) 8.0 ladder material fiberglass ladder type step manufacturer warranty na meets ansi or osha standards yes number of steps 7 osha approved yes package depth 0.75 package height 8.0 package weight 40.5 package weight (lbs) 40.5 rung/step depth (in) 3.0 step color aluminum upc 051751011579 weight (lbs) 40.5