With Insulating clips: Whether it's wrapping a transformer damaged by a or connecting to a utility pole, the blanket can be locked in under 2 seconds. The 5 1/2-inch grips with openings grip 1/4" to 2" thick surfaces with no conductive risk and have been tested for 10,000 on/off cycles to make them easier to handle 1.5mm Thickened EVA Resin Insulation Blanket: Our insulation blanket is made of 1.5mm thickened EVA resin, which is fireproof, waterproof, flame retardant, and has passed 1000 times insulation test, which can provide effective insulation protection for firefighters/linemen and make it safer to use Portable & foldable: Our thermal blankets are lightweight and easy to handle and carry. A storage bag is also included for better storage in the toolbox for easy portability. Even in the face of imminent danger, work can begin immediately 0.4kV/10kV: Our insulation blanket has two withstand voltage levels for you to choose, 0.4kV is suitable for residential circuit maintenance, automotive circuit maintenance, low-voltage control cabinet coverage, etc., and 10kV is suitable for high-voltage end insulation such as substation equipment maintenance in the power industry, overhead line maintenance, and power distribution room of chemical plants, so you can work with peace of mind in a potentially dangerous environment. Widely used: As a power line worker, it can guarantee your safety and efficiency in daily handling of power equipment, communication lines. This tool is required for all kinds of rescue work in live workplaces, power overhauls, on-site construction sites, basements, substations, electrical cabinets and switchgears, etc, Manufacturer: WLCGYD