Pack of 5, Axial Ceramic Fuses, F6.3AH250V, F6.3A H250V, F6.3 250V, F6.3A 250V Cartridge, 5x20mm (3/16 inch x 3/4 inch), 6.3A 250V, Fast Blow (Fast Acting, Quick Blow) 6.3A F6.3a 250v Ceramic, 250 volts (also replaces 125v) This package has 5 pieces Dimension: 5x20mm (3/16 inch x 3/4 inch) Ceramic Fuses, 6.3A 125V/250V, Axial Fast Blow (Fast Acting Fuses)