The Vintage SK Lectrolite Combination Wrench Set includes 13 pieces ranging in size from 5/16" to 1-1/4", all with a 12 point drive type. Made by SK Tools in the United States, these SAE wrenches are perfect for automotive and industrial applications. This set is a valuable addition to any toolbox, especially for those looking to work on vintage vehicles or machinery that require specific sizes and high-quality tools.