description 40 ft. type ia aluminum extension ladder the werner® 40-foot type-ia aluminum d-rung extension ladder is rugged and designed for a wide range of projects. it's duty-rated for 300 pounds to support tools and supplies while climbing it. slip-resistant traction-tred® d rungs allow for safe stepping. its base and fly portions of the werner extension ladder come apart for individual use. the fly portion includes guide brackets for easier adjustment. this 40-foot extension ladder also come with durable extruded ring locks which are spring loaded for ease of use. twist-proof® performance is ensured with the alflo® rung joint. the shoes and their shu-lok® technology hold them flat or in spur position. this ladder is weatherproof and meets ansi and osha standards. california proposition 65 warning. features maximum reach: 37-ft exclusive alflo rung joint means twist-proof performance 1-3/4-in slip-resistant traction-tred d-rungs heavy-duty extruded rung locks are spring loaded to operate smoothly base and fly separate easily for use as an extension or 2 single sections smooth operating pulley design, with the enclosed shape providing additional protection of the pulley guide brackets mounted at the top and bottom of the rail for durability and smooth operation of fly section extra heavy-duty i-beam rails rugged shoe rests flat or is held in spur position with shu-lok feature specifications acme tools brand name werner acme tools part number d1540-2 ansi approved yes ansi ladder rating type ia assembled weight (lbs) 89.5 base spread (in) 0.0 base width (in) 18.125 california proposition 65 warning required no country of origin mexico csa certified no duty rating (lbs) 300.0 globaltradeitemnumber (gtin) 00051751012378 internal supplier part # d1540-2 internet product code (ipc) 5d7b942938a ladder length (ft) 40.0 ladder material aluminum ladder type extension manufacturer warranty na material plastic meets ansi or osha standards yes osha approved yes package depth 0.55 package height 20.0 package weight 89.5 package weight (lbs) 89.5 rung/step material aluminum telescoping no top cap material plastic upc 051751012378 weather resistance yes weather resistant yes