Our bar shoes are carefully fabricated using the Kerckhaert shoes and the same steel for the bars. Available in a variety of styles, these bar shoes have become the most popular brand in North America. The SX-7 are the lighter than the SX-8. Commonly used in the quarter horse and light horse market. Shoes are symmetrical. SX-7 are punched for 4-1/2 Regular, 5 Race or 5 Slim, depending on size.