These are the 20MM diameter 51MM length True Spike Poseidon lug nut caps. Made of the highest quality CNC machined T-6061 billet aluminum. These come in all types of finishes, anodized, 24K gold plated, neo chrome and triple chrome plated.
You can buy the True Spike lug nuts on another part of the store and then buy the caps here to make a full set. True Spike lug nuts are available here:
https:///collections/truespike-lug-nuts
Also remember the lug nut sleeve covers, available here:
https:///collections/lug-nut-sleeve-covers