Please see my profile for the latest information. Regarding this product: This can be used as a baffle for a 17cm speaker. It can also be used as a base when converting to an outer baffle. The price displayed is for two baffles. These are manufactured in the following sizes, but please measure the dimensions of your speakers before purchasing. [Size] ・Outer diameter: 180mm ・Inner diameter: 144mm ・Thickness: 18mm [Other Requests] Please feel free to contact us with any other requests. We will accept requests for items not listed to meet your needs. [Various Option Items] We can also accommodate the following types of orders to meet your needs. Please inquire before purchasing. ・Water-resistant coating (resin): +¥4,700 (May have unevenness when applied) ・Water-resistant coating (clear coat): +¥4,400 (May have unevenness when applied) ・Water-resistant coating (color paint (appearance not prioritized)): +¥1,200 ・Want multiple sets: Shipping costs vary depending on the desired quantity ・Rear slope processing: +¥500 ・Other [Notes on Processing] ・Size errors of up to ±3mm may occur. ・Grinding scorch marks and unevenness of 1mm or less may occur during processing (this does not affect use). [Regarding Shipping] Shipped from: Niigata Prefecture We ship the next day at the earliest, but we generally ship within 7 days of confirming payment. If you are concerned about delivery time or stock, or if you are in a hurry, please inquire before purchasing. [Other] Please ask any questions you may have to avoid any problems.