35kv Yellow 7m Fiberglass Double-Side Grooved Rail Extension Ladder

Model: RLFE/MD-70Packing: Water-proof kraft paper, keeping well package and damp-proofThickness of material: 4.5-5.0mmFeatures: 1: 4.5-5.0mm FRP material and grooved rails ensures anti-twist and anti-deformation performance2: Dielectric strength: 35kv, especially used for electric works, keeping safe working around electricity3: Extension is two sides, two operators can work at the same time, improving working efficiency, and also its a-shape structure keep its own balance and stability4: Installated with diagonal brace, its height can be adjusted to different grounds5: In compliance with GB17620-2008 and EN131 approved by SGS