Now available with both 5 and 6 Bolt patterns on a single adapter! Forged Aluminum Satin Wheel Adapter with a 2.50" total height, fits perfectly with Flaming River Tilt Columns and Steering Wheels. This adapter actually fits on the column shroud for a "seamless appearance."Steering Wheel Bolt Size - 10-32 UNF5 X 2.84 - 72 Degree Bolt Circle6 X 2.75 - 60 Degree Bolt CircleGM 11/16-36 Spline2.50" tall