No price negotiations ❌ No bulk purchase 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. Thank you for your understanding. Set of 4 Unused item purchased from the USA. * There are scratches on the silver part. L size '70s retro black/silver plastic knobs. This type uses a minus screw to fix the shaft, so it can be used with both USA and Japanese pots. The size is approximately 29mm outer diameter of the hat part, approximately 14.6mm minimum outer diameter of the black knob part, and approximately 17.8mm height. 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. The 5th image is a reference image of the size, the item is in the center. Sets with different quantities are also on sale. Shipping is by regular mail (no tracking number), so it will take some time for delivery (it may not arrive in 3 or 4 days even in Kanagawa and surrounding areas). * If you let me know in the comment section before purchasing, you can change to "Click Post" with faster delivery and a tracking number for an additional 50 yen. Recycled materials are used for packaging.