Refresh J Hook Windshield Wiper Blade-18" (Pack of 1) 18" Fit standard J hook wiper arms only Accurate design strictly according to the window arc,Pressure is well distributed on the surface of wiper blade with contact with the window Adopt fine high carbon steel,and rigorous heat-treatment craft,NR+CR Dual-density rubber specification technology. Special handling ink sprayed surface,The deflector of TPE thermoplastic elastomer production Clip could be locked tight after installation to make sure it is safe when working