Wiper Arm Nut Covers Chrome 5/8" Hole. Here is a really nice dress up item if you don't have your wiper arms on. They are die cast metal about 1 1/8" OD, 1 1/2" tall and have a 5/8" inch hole.Chrome Die Cast 5/8" Wiper Arm Nut CoversSKU: UPD-C4041L$15.99PriceExcluding Sales TaxQuantity*Only 3 left in stockAdd to CartBuy Now