No discounts. No bulk purchase discounts (shipping discounts). Please refrain from individual negotiations. I cannot accommodate requests for specific prices. You can purchase directly without any comments declining the offer. I aim to ship within 24 hours, so I will not comment until the item is shipped. Thank you for your understanding. *I do not issue receipts. Price reduced. Set of 2, unused. Cylindrical aluminum machined knob Small size, making it suitable for dressing up effects pedals, etc. The size is approximately 14.9mm in maximum outer diameter and approximately 12.4mm in height. The shaft receiving diameter is approximately 6.4mm, and it is the type that secures the shaft with a flathead screwdriver, so it can be used with both USA and Japanese potentiometers. Use for repairs, customization of vacuum tube amplifiers, tube amplifiers, stereos, antique radios, audio equipment, guitar amplifiers, and effects pedals, as well as for dressing up bizarre guitars. Images 4 and 5 are reference images for size comparison. Shipping is by regular mail (without tracking number), so delivery may take some time (even in and around Kanagawa, it may not arrive within 3 or 4 days). *If you let me know in the comment section before purchasing, I can change to "Click Post" with faster delivery and a tracking number for an additional 50 yen. Sets with different quantities are also on sale. *If you need a large quantity, please contact me in the comment section. I will respond to the required number. You can purchase directly without any comments declining the offer. Recycled materials are used for packaging.