3/4" to 7/8" Inch Crank Socket Adapter with Stepped Key

【Precise Conversion】Precisely adapts a 3/4" crankshaft to a 7/8" pulley using the included 3/16" stepped key, eliminating the need for costly engine or pulley replacements.
【Industrial Steel】High-durability steel sleeve for sustained performance under load, increased strength, and a precise fit for engines.
【Versatile Compatibility】Ideal for changing engine speed, belt alignment, or adapting larger wheel bores to smaller axles in gearboxes, agricultural equipment, and DIY projects.
【Easy Installation】No tools required: simply slide the sleeve onto the crankshaft and secure it with the stepped key for immediate pulley compatibility.
【Cost-Effective Solution】Reduces costs by reusing existing engines and pulleys while maintaining speed and the original power.