YR exquisitely designed the SPEC D series which consists of both Wheels and Tyres for 1.10 Drift cars. The Spec D Tires are made of premium material which enhance drifting performance on great variety of surfaces while the Wheels are precisely crafted to give an authentic appearance without any trade off on durability. Spec D Series of Wheels and Tires is a must have for drifters that care their drift machine's performance as much as the looks. To suit 1.10 scale models however will not fit all. Please check measurements before purchasing. 62.15mm outer Diameter. 45mm inner diameter. 12mm hex. 26.44mm wide. 14mm depth to hex.