6 Prong Fuses

DOES ANYONE KNOW WHERE TO GET THE 7.5 AMP FUSES W/6 PRONGS WITHOUT GOING TO THE DEALERSHIP?everyone i asked said they have NEVER SEEN ANYTHING LIKE THAT.AND ACTUALLY ITS CALLED A 4 IN 2 OR 4 IN 1 MINI FUSE.IT CONTROLS 1,2,3,4 SLOTS?ANY HELP WOULD BE GREAT!THANX