This tester is used to evaluate the color fastness against abrasion of textile products, leather, rubber, and plastic. The operator is to place the test specimen on the round surface and the test specimen is to be abraded with an abrading head, which is attached a white cotton cloth. After the test has been completed, the operator is to judge the degree of color fastness according to the gray scale. The tester can also be used for conducting abrasion-resistance tests on paper board and ink coating