Mac Tools S13B Brake Spring Removal - Installation Tool. Good Condition Some wear and grind marks See Pictures. This Mac Tools S13B Brake Spring Removal - Installation Tool is the perfect addition to any mechanic's toolbox. It is designed for use on passenger vehicles and heavy-duty/commercial vehicles, making it a versatile tool for any brake service. The tool is made by Mac Tools, a trusted brand in the automotive industry, and is manufactured in the United States. The product is a single item and comes with no warranty. It is classified under the categories of Brake Service Tools, Shop Equipment & Supplies, Automotive Tools & Supplies, and eBay Motors. The manufacturer part number is S13B, and it is ideal for use in Spring Removal/Installation procedures.