Pack of 5, Axial Ceramic Fuses, F20AH250V, F20A H250V, F20 250V, F20A 250V Cartridge, 6X30mm (1/4 inch x 1-1/4 inch), 20 Amp (20A) 250V, Fast Blow (Fast Acting, Quick Blow) 20A F20a 250v Ceramic, 250 volts (also replaces 125v) This package has 5 pieces Dimension: 6X30mm (1/4 inch x 1-1/4 inch) Ceramic Fuses, 20A 125V/250V, Axial Fast Blow (Fast Acting Fuses)