Mevius Radius/Ball Seat Lug Bolts by Wheel Mate. Thread Size: M14 x 1.5. Overall Length: 27mm. Seat Radius: 14 mm with 60 Degree Taper. Package: 20 Pieces. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind.