This listing is for a pair of Bussmann Buss Fuse Reducers, catalog number 263.  This size is typically used to make 0 to 30 amp FRN style fuses fit in 35 to 60 amp fuse clips.  These are sold in bulk, with no packaging.  They were manufactured in St. Louis, Missouri 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.