Up- grade your Hi- End Audio systems :
4N Pure Gold fuse for Hi-END Audio systems:
the fuse threads are made of 4N pure gold ,
5X20mm /6x30MM :
The material using:
(1) 0.5A is MADE OF 4N Pure Gold
(2)1A/2A/3A/4A/5A/6A/8A/10A/12A/15A/20A are made of 4N Pure Gold and combined with 6N Pure Silver .