This listing is for a Shawmut Amp Trap A50P60 Type 4 Bolt In Very Fast Acting Semiconductor Fuse 60 Amp 500 Volt.  These are new old stock removed from unused equipment.  Loose, no packaging.  They were manufactured in USA.

Your satisfaction is guaranteed. All items are shipped via the US Post Office (USPS). I make every effort to ship your item within 24 hours following receipt of payment, except for Sundays or Holidays when the post office is closed.