Features: The T100 Hollow Bit Socket precisely corrects camshaft pulley positions for engines, ensuring accurate alignment and preventing misalignment issues to enhances engine efficiency. Made from steel with a hollow design, this 1/2inch drive, 78mm long impacts socket reduces weight for better maneuverability and withstands high torques applications in automotive repairs. Designed for professional mechanics and automotive enthusiasts, this tool is essential for repairs on for M133, M157, M270, M271, M276, and M278, offering performances in workshops. Ideal for confined engine compartments, it simplifies pulley fixing and adjustment tasks, such as correcting misalignments in tight spaces during routine vehicle maintenance. With its robust construction and broad compatibility, this bit socket delivers consistent torques transfer, promoting long term durability and improved engine operate for extended vehicle life. Specifications: Component: Carbon Steel Length: about. 78mm/3.07in Dimensions: 1/2inch Package Includes: 1pc Star Impacts Socket note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.