VVertex R8 Right Angle Attachment Kit for Milling Machines ~ Suitable for most mills. ~ Used on vertical milling machines to make horizontal work. ~ Designed to simplify right angle work by reducing the need for special tooling and complex fixtures. ~ For use on your R8 spindle with 3-3/8" overall diameter. ~ Maximum speed is 2, 000 RPM. ~ Kit includes the right angle head, an R8 stub arbor & a drawbar extension socket. ~ Made in Taiwan. ~ Vertex # VRA-R8.