Adapter thickness 17mm
All bolts and hardware included
Flywheel material -Extremely strong Aircraft grade Aluminum Alloy AlZnMg+Ti
High spec dynamically balanced acc to  ISO 1940/1 quality grade G 6.3
Spline material - Hardened steel
Comes with balancing certificate (usually less than 0.1Grams)
Adapter material - AW7075, center point precision tolerance 0,05mm
Comes with written installation instructions.
Not picture of the actual product.
These are made to order, and  lead time will normally be 10-20 working days from purchase)