With Toyota 21 spline central hub.
(the central hub in the product image is an example as well as the diameter of the disc)
16 holes
8 mm thickness
Sinter 6-puck, Clutch Discs, 280 mm
21 Splines, Sinter 6-puck, 228 mm
Sinter 4-puck, 21 Splines, 240 mm