Oiled cow bone oil-preserved sound quality improving bridge pins, brass + abalone shell, unused item, bulk purchase

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Acoustic guitar bridge pins, made of cow bone, brass + abalone shell, 1 set (6 pieces). Unused item.

Length approx. 3mm
Head diameter approx. 7.8mm
Neck diameter approx. 4.8mm (measured with digital calipers for each)

Beautiful white bridge pins that will enhance your guitar's appearance. They have been impregnated with paraffin oil, polished, and have transparency and luster. Their hardness is effective in improving sound quality and extending sustain. I am selling them because I purchased extra.
●I have some stock, so bulk purchases are also welcome. Get 200 yen off for 2 items, 400 yen off for 3 items, and 600 yen off for 4 items. Please leave a comment. I will change the price for a dedicated listing.
●Immediate purchase OK. Please refrain from price negotiation comments.
●Please check the photos and description carefully.
The photos are for illustrative purposes only, so the shell patterns etc. of the actual bridge pins may differ.
●Although they are unused, I have performed oil treatment, polishing, and buffing myself, so please refrain from purchasing if you are sensitive. Also, while I strive for detailed descriptions, some parts are based on my personal opinion, so please consider purchasing with your understanding. Feel free to ask any questions.
●The color and condition may differ from the actual product due to light reflection or your monitor.