FE3200 Series Fiberglass Channel Extension Ladder, 16 ft, Class IA, 300 lb ORS NASCO Triple Threat formula delivers professional Triple Threat formula delivers professional strength performance Formulated to weaken soils ability to cling to surfaces Lifts and traps soils for easy rinse off Contains no bleach Heavy duty non solvent based degreaser Cotter pin retained load pins Not recommended for overhead lifting in sling application When using these hooks with Grade 30 chain channel extension ladder for lighter industrial use Full channel nonconductive side rails Swivel safety shoes Outside slide guides Mar Resistant rail end caps Extra heavy duty