description 48-ft aluminum 300-lb type ia extension ladder the werner® d548-2 48-foot type-ia aluminum d-rung extension ladder is ideal for construction and remodeling work. this werner 48-foot aluminum extension ladder has a 300-pound load capacity to hold a you and your tools. its alflo® rung joints deliver twist-proof® performance to keep you steady as you climb. this heavy-duty extension ladder's aluminum construction delivers outstanding durability to last you for a long time. the rust-proof design means you can work in all weather. you can work safely thanks to the 1-3/4-inch traction-tred® d-ring rungs that keep you from slipping. mar-resistant end caps allow you to rest the ladder against a painted exterior surface safely. a 3/8-inch double pulley system with rope makes it fast and easy to extend the ladder to its full height. california proposition 65 warning. features maximum reach: 45-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 3/8-in rope extra heavy-duty i-beam rails rugged spring loaded locks operate smoothly heavy-duty, self-aligning, free-swinging shoe with slip-resistant tread and replaceable steel spur plate specifications acme tools brand name werner acme tools part number d548-2 acme tools supplier bullet 1 in store pick up pricing may vary ansi approved yes ansi ladder rating type ia assembled weight (lbs) 143.5 base spread (in) 0.0 base width (in) 20.125 california proposition 65 warning required no collapsed height (in) 288.0 country of origin mexico csa certified no duty rating (lbs) 300.0 globaltradeitemnumber (gtin) 00051751024432 internal supplier part # d548-2 internet product code (ipc) 70ecd2b82f3 ladder length (ft) 48.0 ladder material aluminum ladder type extension manufacturer warranty no warranty meets ansi or osha standards yes osha approved yes package depth 288 package height 5.6 package weight 142.5 package weight (lbs) 143.5 rung/step depth (in) 1.75 rung/step material aluminum telescoping no upc 051751024432 weather resistance yes weather resistant yes