5 pcs. GMA 7A Fast-Blow Fuse Glass 5x20mm Sold in sets of 5. If you add 20 to cart, that will be a box (100 pcs.) Series: GMA Rated Current (amp): 7A Blow Characteristic: Fast Blow (Fast Burn) Body Diameter: 5mm (3/16 in) Body Length: 20mm (3/4 in) Part Type: Electric Glass Fuse Rated Voltage: 250v, 250 volts (also replaces 125v) Terminal Shape: End Cap Certifications: ROHS, CE Cross List: GMA7, GMA7A, GMA7F GMA-7A, BK-GMA 7 R Blowing Time (Fast Blow): 4 hours Min @ 110% of rating 1 hour Max @ 135% of rating 5 sec Max @ 200% of rating