All parts have been replaced with the latest ones, except for the panel and plate stickers. Buttons: Sanwa buttons Spring: Sanwa 50g Switches: OMRON 50g VX-01-1C23 Turntable: LMT LED: 7KEY → Red, E1~E4 → Blue Soundproofing: putty reinforcement, silicone spray on the spring This is a used item that has been in someone else's hands, so there may be scratches and stains due to use and storage. Please understand this before purchasing. Operation has been confirmed on INFINITAS and LR2. We expect to ship on the same day or the next day after purchase (we will pack it in the box it came with and ship it). Thank you.