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 for outer baffle conversion. 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 Shipped as early as the next day, but we will 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.