Product Description:Good flexibility, impact resistance and wear resistanceFireproof insulation, electrical resistance, high temperature resistanceMaterial: high temperature resistant glass fiber imported organic silica gelColour: BlackInner diameter: 5mm90mmRated voltage: 7kv-12kvProduct performance: fire protection, flame retardant, heat insulation, heat insulation, anti-aging, tempered steel, oil resistancepacking list:1M x Fiberglass SleeveKind tips:All high temperature materials will produce a stinging sensation due to the special material (the material is smaller than the manhole). Wear gloves when using. After using this product, it can be washed with water without scratching.notes:Please check specifications and dimensions before purchasing.Please allow 1-2mm differences due to manual measurement.Please note that due to different monitors, there may be slight color differences, please understand.