Specially blended, precision-cut natural rubber wiping element delivers premium wiping performance and crystal-clear visibility for safer driving Triple corrosion protection (zinc coated frame with two layers of powder coating) for long life and increased durability Quiet-Glide micro-finish wiping edge for reduced friction and quiet operation Robust all steel frame, with enclosed metal tension springs specially tensioned for each blade length, offer increased performance Pre-mounted QuickClip adapter ensures quick and easy installation