OER® reproduction of the original Trico RF-15 wiper blade insert/refill for 15 TRICO wiper blades. This period-correct TRICO RF-15 style insert is made with a stainless steel vertebra and a precision wiping edge produced in a long-life rubber compound. Each blade features a latch-lock release on one end for convenient snap-in installation in our wiper blade assembly part # 3899508. Sold individually. 2 required per vehicle.{specs}Note: For a Blade Assembly preloaded with this insert order part # 3899508.