Product characteristic:
1, the rotation nimble, are not easy to twine the strand;
2, the design are succinct, are advantageous for the operation;
3, the pulling force value is higher than above 1 time compared to the ordinary revolving ring;
4, handles the design to be unique, favors the fast water leakage;
5, the American revolving ring and the diamond revolving ring's variation, facilitates in the special condition use.