Pack of 5, Axial T6.3AL250V, T6.3A 250V, T6.3L250V Cartridge Glass Fuses 5X20mm (3/16 inch X 3/4 inch), 6.3A 250V, Slow Blow (Time Delay) 6.3A T6.3a 250v, 250 volts (also replaces 125v) This package has 5 pieces Dimension: 5 mm (3/16 inch) x 20 mm (3/4 inch) Glass Fuses, 6.3A 250V Slow Blow (Time Delay Fuses)