Features: Crafted from alloy steel, this extended 1 1/8 inch gas engine pulley adapter ensures performances for reliable crankshaft maintenance. Precisions engineered to fit gas engine pulley keys, it offers a secure, slip free connection with a standard 1/4 inch drive compatibility for tool integration. Ideal for professional mechanic and DIY enthusiasts seeking a robust crankshaft sleeve adapter for automotive repair and engine maintenance tasks. Perfect for accessing hard to reach engine component during car repairs, routine maintenance, or pulley system adjustments in workshops and garages. Its extended length and universal design simplifying complex engine servicing, making it a essential tool for efficient gas engine crankshaft operations. Specifications: Material: Steel Size: Extended to 1 1/4 1/8 inches Sleeve inside diameter: 1in Sleeve outside diameter: 1-1/8in Sleeve total length:4.5in(Include extended 1.5inch) Sleeve key way slot: 1/4in Original key length:2in Extended key length:1in Package Includes: 1 Set Sleeve Adapter 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.