Werner D1500-2 Series Aluminum Extension Ladder - Type IA 300 Lb. Load Capacity The D1500-2 series aluminum extension ladders have a duty rating of 30...Type IA 300 Lb D1500-2 series aluminum extension ladders have a duty rating of 300 lbs and have extra heavy duty I-beam side rails. The base and fly sections separate easily and can be used separately. Guide brackets help to ease operation when raising and lowering the fly section. I am asking $275 obo