Pack of 5, F63mAL250V, F63mA 250V, F63m L250V, F63mA 250V, F63mL250V Cartridge Glass Fuses 5X20mm (3/16" X 3/4"), 20A 250V, Fast-Blow (Fast Acting) 63mA F63ma 250v Glass, 250 volts (also replaces 125v) This package has 5 pieces Dimension: 5 mm (3/16") x 20 mm (3/4") Glass Fuses; 63mA 125V/250V Fast-Blow (Fast Acting Fuses)