1. Thread diameter: 40 mm, pitch: 3 mm. 2. Quick - release wing nut for wheel balancers. 3. Suitable for wheel balancers of multiple brands. 4. This is a quick - release wing nut for wheel balancers, which can be used for various wheel balancers. This quick nut is made of durable materials, and its quick - release thread facilitates balancing operations. When the release lever is pressed, the wing nut can easily move in and out of position. It is suitable for many balancer models with a shaft diameter of 40 mm. 5. Suitable for the following models with a shaft diameter of 40 mm: - Corghi: All models with a shaft diameter of 40 mm or those produced in 2007 and later. - Accuturn: 5500, 5600, 5800, 6000 (For 5100, check the serial number S: from 51 - 0623 to 51 - 1457). - Some other brands: Most models with a shaft diameter of 40 mm. - Hunter: 700, DSP9500 produced between 1990 - 1992. - Some other brands: Most models with a shaft diameter of 40 mm. - Some other brands: Most models with a shaft diameter of 40 mm. - Some other brands: Most models with a shaft diameter of 40 mm. 6. Color: Black. 7. Material: Plastic. 8. Package contents: - 1 quick - release wing nut for wheel balancers. 9. Only the above - mentioned package contents are included, and other items are not included. 10. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the actual one. The allowable measurement error is plus or minus 1 - 3 cm.