【Features】 Argus OJ-1 Open Jack Craft Mono ・Size: 1/4" (6.35mmφ) plug ・Threaded section diameter: Approximately 9mm ・Threaded section length: Approximately 8mm ・Includes 2 nuts and a washer ※ There is graffiti on the tag. ▼Reference Argus guitars were a brand name released by the Gakki Kenkyu Kaihatsu Kiko (Kyowa Shokai), and were made in Japan. This company ceased operations in May 2011. This jack is for general-purpose Japanese guitars and is compatible with Japanese guitar manufacturers. Please note that some models, even Japanese-made ones, may use USA-made jacks or have incompatible sizes, so please check before purchasing. ※ Caution: Modifications are at your own risk... ※ Although this is an unopened, unused item, please be aware that there may be minor scratches and dirt due to long-term storage. Thank you for viewing.