8m Aluminum Alloy Double - Side Grooved Rail Extension Ladder

Model RLAE/MD-80Packing: Water-proof kraft paper, keeping well packaged and damp-proofThickness of material: Over 2.9mmProduct Feature: 1. Double-side extension, operators can work at the same time, improving working efficiency2: 2.9mm Al. Material and grooved rails ensure anti-twist and anti-deformation performance3: Installated with diagonal braces, its height can be adjusted to different grounds4. In compliance with GB12142-2007 and EN131 approved by SGS