The softwiper balde (flat wiper blade, windshield wiper blade)is the newest design in market. 100% natural rubber.Silent and judder free operation. match the below specific wiper arm: 1.U-HOOK wiper blade arms:8.7x7mm 2.U-HOOK wiper blade arms:9x11mm 3.Bayonet wiper blade arms:7.2x3mm/8x3mm 4.Screw wiper blade arms:7.2x3mm/8x3mm 5.Side Pin wiper blade arms: d=4.8mm 6.Side Pin wiper blade arms: d=6.3mm Function and Characteristics: 1). Constantly wipering with no noise. 2). Applicable for climates worldwide. 3). Replaceable rubber strip. 4). With high and low temperature resistance and cold resistance performance. 5). Advanced curvature design: The wiper blades are precisely tailored to the curvature of the windscreen for optimum effectiveness which provides a safety guarantee. 6). Advanced rubber technology: The new rubber material can ensure the super wipering performance which can prolong the life of blade. 7). Pre-mounted adapter: The complete new universal adapter can let you change wiper blade in seconds and the new type can avoid loosen of the connector.