The product is a lot of three vintage Nylint wheels with black tires and yellow rims, designed specifically for trucks in a 3 1/8" size. These wheels are made of hard plastic and were manufactured in the United States during the 1960s. Nylint is a well-known brand in the diecast and toy vehicles category, making this product a rare find for collectors of vintage construction equipment and toy enthusiasts. These wheels would be a unique addition to any collection of vintage toys or truck accessories.