Knobs, one at a time, but two pictured for different viewing angles. Multiple available. Secure with a pair of grub screws so ideal for smooth shaft pots. .

Overseas bidders check in advance about postage. If you find it last minute and bid, that's cool, but message and and give me time to check postage before paying, so I can actually find out and invoice correctly.

Use add to basket function if want multiple different items and want an accurate total.