Main features:1.Dielectric strength: 35KV, high voltage insulation application, ensuring working safety around electricity2. Material thickness of 4.5-5mm and grooved-type rails ensure anti-wear and anti-twist performance, also advantaged in nonconductive, anti-corrossion and also high terperature resistant.3. Light in weight , featured handle is designed to help easily set up, extend and slide back, height can be adjusted to different working requirements by changing locations of spring lockson different rungs4. Rubber belt enhanceforce of firction when leaned to set up, top rubber cover and rubber feet do multiple guarantee on balance5.Hooks hung on wire keep ladder itself fixed for safe working6. D-shape and non-slippery rungs, tightlyconnected to siderails by squeeze riveting technology7. In compliance with GS
Warranty: 12-month free maintenace, limited expense is needed for maintence when over 12 months