No price negotiations. ❌ No bulk purchase discounts (shipping discounts). ❌ Please refrain from individual negotiations. You can buy directly without any rejection comments. I try to ship within 24 hours, so I will not comment until the item is shipped. Please understand. *I do not issue receipts. Set of 4, unused. VOX type aluminum machined number knobs Size: Outer diameter max. approx. 25.0mm, height approx. 16.9mm. Shaft receiver approx. 6.1mm, type that fixes the shaft with a 2mm hex wrench, so it can be used with USA pots or domestic pots. (Wrench not included, please prepare it yourself) Use for repairs and customization of vacuum tube amplifiers, tube amplifiers, stereos, antique radios, audio equipment, guitar amplifiers, and effectors, as well as for dressing up bizarre guitars. Images 5 and 6 are reference images for size. *If you let me know in the comment section before purchasing, I can change to "Yu-Yu Mercari Mail Yu-Packet" (anonymous shipping) for an additional 50 yen. I use recycled materials for packaging.