Fitment: ? Replacement For 40 Inch Wiper Blade RV Pair or Motorhome 40"/40"(Set of 2?27mm Width Heavy Duty, High Quality Rubber: good flexibility, not easy to deform. High Quality Sheet Steel: high carbon steel, two layers of paint, corrosion resistance. Good elasticity. High Quality Durability: high quality ABS plastic parts, anti - fall, durable. Product Features ?The Synthetic Blend Rubber Squeegee can withstand extreme weather conditions for enhanced durability ADDITIONAL FEATURES: ? Noiseless ? Thermal Resistant