... the blade’s working life.5) the blade’s rubber bar is made by double composed nanotechnology rubber, high poisonous ... . No skip, can guarantee the wiping effect. The rubber bar and the rubber on the spring plate, they are made ... nail, rustproof and corruptproof.2) rubber bar connection: stainless still thread, distortionproof3) rubber bar: A grade rubber bar, graphitizing, ossifyproof.4) plastic of ...