Hign-concerned Chemical:NoneBrand Name:pinmoapOrigin:Mainland ChinaJ-shaped hook suitable for J-shaped hook wiper arms. Easy and fast installation, with a tight fit. Spring steel With dual precision steel spring tensioning and asymmetric spoiler, the windshield can provide uniform contact pressure distribution, better meeting the requirements of curved windshields and eliminating wet spots that may interfere with vision. Material Special blend rubber coated with Teflon - provides smooth, quiet, clean, and noise free wipers - all season wipers - keep the windshield clean in all weather conditions (including ice, snow, acid rain, and salt water) Aerodynamic design significantly reduces drag and wind noise. A bracket free design helps prevent ice and snow.