Features: 1.Function: Fluid line stoppers can prevent liquid contamination or leakage during maintenance, and minimize the risk of using the hydraulic system during work. 2.Easy to Use: Designed to preserve the integrity of hydraulic oil or fluid when repairing and changing vehicle plumbing systems. Easy to use and easy to operate. 3.Seven Pieces Set: Our set includes four sizes of fluid stopper 1/2 inch, 3/8 inch, 5/16 inch and Banjo stopper, also with 3 yellow plugs, is enough for long term car maintenance. 4.High Durability: The tool is made of durable ABS material, which is resistant to high temperature, high pressure, etc., and can be reused many times. 5.Wide Application: The set is suitable for most models of pipe system maintenance and repair. It can be used to stop the movement of brake fluid, water, gas, chemical and other fluids. Specification: Item Type: Fluid Line Stoppers_x000D_ Material: ABS_x000D_ Size: 1/2in, 3/8in, 5/16in and Banjo stopper_x000D_ Fitment:_x000D_ For Brake Line Fuel Rail Hose A C Line and Banjo Fitting