The 500-1 series are one-section round rung straight ladders with a duty rating of 375lb. 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 300lb with the 18 ft, 20ft and 24ft lengths.
- 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