Enhance your lathe's flexibility and compatibility with our premium spindle adapter. the internal thread is 1" x 8TPI,external thread is 1-1/2" x 8TPI , allowing your 1" x 8TPI TPI threaded spindle to seamlessly accept 1-1/2" x 8TPI threaded chucks. Crafted from high-quality steel, the adapter body ensures exceptional durability and longevity, effectively extending the service life of your lathe. With a weight of 0.52 pounds, it provides stability and reliability during operation. The presence of flats on the adapter allows for a secure grip with a wrench for easy tightening and effortless removal from the lathe. Package: 1" x 8tpi to 1-1/2" x 8tpi lathe headstock spindle adapter. Please note that the wrench is not included. This woodworking lathe chuck thread changer serves as a vital connection point for various accessories, including chucks, panels, and other related tools, enabling you to work efficiently on your lathe. Experience the convenience and versatility that our spindle adapter brings to your woodworking projects., Manufacturer: HAowosi