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500-1 Series Aluminum Single Section Extension Ladders

>Series Callout
The 500-1 series are one-section round rung straight ladders with a duty rating of 375 lbs. The exclusive ALFLO® rung joint means TWIST-PROOF® performance every time. The side rails are extra heavy duty I-beam rails and the aluminum round rungs are deeply serrated for slip resistance. The duty rating goes to 300 lbs with the 18 ft, 20 ft and 24 ft lengths.

Features

  • Exclusive Alflo® rung joint means Twist-Proof® performance
  • 1.75 inch slip-resistant Traction-Tred® round rungs
  • Extra Heavy Duty I-beam rails
  • Heavy duty, self-aligning, free-swinging shoe with slip-resistant tread and replaceable steel spur plate
  • Hoop end caps

Performance Overview

SizeStyleReach HeightLoad Capacity
8 ft -- 24 ftSingle Section11 ft -- 26 ft300 lbs -- 375 lbs

Dimensions

Specifications

Model No.SizeMax. Open Extended LengthLoad CapacityApprox. Cu. Ft. Per UnitBase WidthFlange Dimension
508-18 ft8 ft375 lbs2.916-7/8 in1-3/16 in
510-110 ft10 ft375 lbs3.616-7/8 in1-3/16 in
512-112 ft12 ft375 lbs4.316-7/8 in1-3/16 in
514-114 ft14 ft375 lbs516-7/8 in1-3/16 in
516-116 ft16 ft375 lbs5.716-7/8 in1-1/4 in
518-118 ft18 ft300 lbs6.416-7/8 in1-1/4 in
520-120 ft20 ft300 lbs7.116-7/8 in1-1/4 in
524-124 ft24 ft300 lbs1420-5/8 in1-3/8 in

Type IAA duty rating is for single ladders up to 16 ft

Accessories