28' HD Fiberglass Extension-Ladder

Extra heavy-duty professional use extension ladder. External guides at top of base section securely interlock rails (2 sets on 36' and 40' models). Base and fly separate easily to use base section as single ladder. Internal guides on bottom fly section securely interlock rails. Slip-resistant Traction-Tred 1-1/2" flat D-rungs. Durable rail shield bracket and shoe with Shu-Lok, slip-resistant pad and spur plate plus exclusive Alfo rung joint means Twist-Proof safe performance. Electrially nonconductive orange rails. Rope and pulley on 20' and larger only.No. D6216-2: 16', Type 1A, duty rating 300 lb., maximum working length 13' (no rope or pulley)No. D6220-2: 20', Type 1A, duty rating 300 lb., maximum working length 17'No. D6224-2: 24', Type 1A, duty rating 300 lb., maximum working length 21'No. D6228-2: 28', Type 1A, duty rating 300 lb., maximum working length 25'No. D6232-2: 32', Type 1A, duty rating 300 lb., maximum working length 29'No. D6240-2: 40', Type 1, duty rating 250 lb.,