Here is the right tool for spinners / central nuts:
Found this past week at Germany's largest historic motor show, Techno-Classica at Essen.
Sold by Oldtimer-Tools in D-31199 Diekholzen (mk@oldtimertools.de
www.oldtimertools.com)
High quality tool works with any wrench, and is suitable for deep bedded rims.
They have various models suitable for 2 or 3 eared spinners, respectively central nuts.
For AC Cobras / GT40 and thelike, two sizes are available: somewhat narrower dents for the lighter aluminium spinners, somewhat deeper dents for the large brass spinners. They do not yet have a tool for the AC hexagonal central nut.
Priced at 250 € (inclusive VAT) plus P&P.
Regards
Constant