It took two sets and I replaced the Triumph studs with Land Rover Freelander ones which are much sturdier and fit the Satur adaptors -
https://www.mikesatur.co.uk/Wheel-Hu...e-Satur-design
https://www.ebay.co.uk/itm/VW-4x100-...MAAOSwnF9Y71de
I got the 5x205 adaptors directly from Limebug for £100 for four, but they don't seem to have them on their website any more. Would be worth calling them though.