<https://pilotpetes.nz/product/landing-gear-wheel-stop-collar-suit-3mm-shaft/#product>
<http://schema.org/description>
"I generally have these in many sizes TO SUIT 1, 1.2,,1.8, 2,3,5 and 6 mm Shafts."
<https://pilotpetes.nz/product/landing-gear-wheel-stop-collar-suit-3mm-shaft/>