The D1540-2 Aluminum 40ft Extension Ladder has a duty rating of 300lb and has 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. The exclusive Alflo® rung joint means Twist-Proof® performance every time. Traction-Tred® D rungs are slip-resistant, and the rugged shoes rest flat or are held in spur position with the SHU-LOK® feature. Rugged spring-loaded locks operate smoothly. Mar-resistant end caps protect the surface ladder is resting against.

FEATURES
Exclusive Alflo® rung joint means Twist-Proof® performance
1.75in 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 two single sections
Smooth operating pulley design. Enclosed shape protects pulley
Guide brackets mounted at the top and bottom of the rail for durability and smooth operation of fly section
Extra heavy duty I-beam rails
Rugged spring loaded locks operate smoothly
Rugged shoe rests flat or is held in spur position with SHU-LOK® feature
Stacked rail design provides increased rung width on fly section
Mar-resistant end caps