This is a special version of the JELCO HS-25 with all metal terminals finished with rhodium plating (HS-25 is gold plated). It uses twin lock pins and is also equipped with screws for azimuth adjustment. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2024.2.6 continuity confirmed
Accessories: No accessories
Main specifications: dead weight 12g