【Strong Separation Force】Strong expansion force and fast oil return help you easily separate tight pipe flanges. Hydraulic cylinder pressure: 10T; Maximum expansion distance: 81mm 【High-Quality Alloy Steel Pliers】The pliers are made of alloy steel and are heat-treated to be sturdy and durable, with strong tension, anti-electricity and non-slip, comfortable to hold, and more labor-saving to use. 【Durable】Thickened insulated handle, anti-electricity and anti-slip. Comfortable to hold and less effort. Comes with a storage box, which is shockproof, portable and easy to carry. 【Easy To Operate】Pressure relief valve switch, tighten (ON) when pressurizing, close (OFF) when releasing pressure. Suitable for pipeline maintenance, repair, inspection and valve replacement, etc. 【Scope Of Application】Flange separator is a device for separating large industrial machines. It is mainly used in pipeline maintenance and construction, testing and flange replacement, cylinder head opening, power plants, jacking work and other industries.