Invo Spline, located in Warren, MI, has been a trusted supplier of precision spline gages and master gears for over six decades, serving industries such as aerospace, automotive, and industrial technologies. With a reputation for ultra high-quality products and industry-leading expertise, Invo Spline is recognized by prestigious organizations like the Society of Automotive Engineers and the American Gear Manufacturers Association. Manufacturing solid-type spline gages, indicator type rings and plug gages, as well as the RFX-1000 External Gear Rolling Fixture, Invo Spline offers a comprehensive range of products to ensure precise measurements and inspections for various tooth profiles. Their close association with the automotive industry and extensive research and design experience have made them one of the nation's leaders in ultra precision manufacturing.Generated from the website