Handmade connector set. Approximately 6mm lapis lazuli is used. Natural stone: Lapis lazuli The white spots will be more noticeable than in the image. *Due to the increase in the purchase price, we have made the difficult decision to change the price. Thank you for your understanding. The 9-pin is K16GP. This is a handmade item created by an amateur. We pay attention, but there may be small dents that we don't notice, so please refrain from purchasing if you are sensitive to such details.