These are used time-delay fuses that were removed from service but are still in working order. There are 5 total fuses as follows: 1. Gould Shawmut Tri-onic TRS20R 20A, 600V 2. Edison Fusegear Bullet ECSR10 10A, 600V 3. Bussmann Fusetron FRS-R-30 30A, 600V 4. & 5. 2 each Bussmann Fusetron FRS-R-20 20A, 600V. All are Class RK5. Sold as-is for a reasonable price. Email me with any questions.