The D6220-2 fiberglass two-section 20 ft extension ladder has non-conductive rails making this ladder ideal for working near electricity. With a duty rating of 300 lb, the ladder is durable and long-lasting. The exclusive Alflo rung joint means Twist-Proof performance on-the job. the Traction-Tred D-rungs are slip-resistant and the side rails are interlocking. The dual-action feet are for use on hard or penetrable surfaces and swivel easily. The base and fly sections separate easily to use the base section as a single ladder. The durable rail shield bracket and shoe help protect the bottom of the rail. The fly section rails are pre-pierced at the top for easy field installation of accessories.