Kingbolen Brake Fluid Liquid Oil Tester LCD Screen Testing Tool DOT3 DOT4 DOT5.1
Support multiple types of brake fluid in one tool. Support DOT3, DOT4, DOT5.1 for different cars. DOT5.1 : higher than 4% Need to Replace. DOT3 : lower than 1% High Purity. DOT4 : lower than 2% Status is acceptable.