These are dot inlays made of black acrylic resin. The size is 8mm in diameter and 1.6mm in thickness, but there may be slight variations in thickness, so please adjust during installation. These can be used as replacement or custom parts. Sold in sets of 12 at a bargain price with immediate purchase. No comments needed, you can buy immediately. Please note that these will be shipped via standard mail, and according to postal regulations, there is no arrival guarantee or compensation for damage or loss. We kindly ask that you only purchase if you understand and accept this. Also, we regret to inform you that we cannot accept price negotiations. Thank you for your understanding.