Trico 66-180 66 Series Heavy Duty Winter Wiper Blade for Curved or Flat Windshields, 18" (Pack of 1) 18 inches length Tough rubber boot protects the all metal superstructure from the elements All metal construction Durable natural rubber wiping element. A complete parts package included to use with competitive wiper arms These refills are manufactured to fit the original equipment wiper assembly, If this assembly has been replaced with anything other than an OE product the refill may not fit properly 18 inches length Tough rubber boot protects the all metal superstructure from the elements All metal construction Durable natural rubber wiping element A complete parts package included to use with competitive wiper arms