... Salt Spray Test last 96 hoursRubber: Rubber: high quality rubber blade, with Teflon coverage Durability test requirements:Effective wiper 75% after ... 1,500,000 cyclesSplint and Rivet: both of them use stainless steelBlade frame width = 11.00mmAdapter Pin = 4.00mm or ... manufacturer in China, with over 30years' experience in making wiper blade, wiper refill, wiper arm, linkage, wiper motor, washer tank, ...