Claw padCouplingwill get Plum coupling//Star coupling//Water pump coupling//oil pump coupling and other national standard products, the connection method is almost the same, but the plum blossom and star coupling in appearance, the water pump and the oil pump are similar to each other!The plum blossom is connected by a circular rubber pad, and the star shape is similar to an oval. The water pump and the oil pump are difficult to identify from the appearance. The large outer diameter can determine the model size!As shownSimilar machinery factories welcome you to consult and purchase!A product that is as good as a cheap jiage!The company confirms your arrival!