... . 1.2mm thick main frame Size:12"-24" K-401 Universal Wiper Blade Material ConstructionMain frame: all metal, plastic bushing design, without ... in China, with over 30years' experience in making wiper blade, wiper refill, wiper arm, linkage, wiper motor, washer tank, washer nozzle and washer pump ... or drawings. Further information, pls visit our homeweb WWW.KING-WIPER.COM K-401 Universal Wiper Blade