Vinyl, black, non-glossy finish, four slots 0.844 min, 0.906 max in. Lg, 0.172 min, 0.204 max in. W, 1.063 min, 1.187 max in. Apart, 0.469 min, 0.531 max in. From ea end, 0.469 min, 0.531 max in. R, 46.000 in. Min, 48.000 in. Max o/a lg, 0.719 min, 0.781 max in. W 2nd end, 0.094 in. Thk