They are sold as Buss brand fuses, IT IS NOT! I have been using GENUINE Bussman fuses for 40 years and have never seen a single fuse without the BUSS mark. Cheap rubbish that doesn't carry 50% of its rating, I tested them on the dyno. Neither of them carried 2.5 amps, half their advertised rating, for any period of time. One exploded at 1.63 amps, wow. The tests were performed at both 12 VDC and 120 VAC. To say I'm disappointed would be a huge understatement if I wished negative stars were anβ¦