This Snap-on M35178 push rod adjusting tool is a must-have for any mechanic or DIY enthusiast. Made in the United States, it features a 1/2in. size and an open end drive type, making it perfect for use with specialty wrenches. The tool is designed for easy use and efficiency, with a single item set or system of measurement in SAE. The brand name Snap-on is synonymous with quality and durability, and this tool is no exception. It is ideal for use in automotive tools and supplies, and is a great addition to any hand tool collection. With its unique design and precision engineering, it is sure to make your next project easier and more successful.