Automotive Fuses – Flat, JCase and MCase Style TRUCK UPFITTERS AUTOMOTIVE FUSES – FLAT, JCASE AND MCASE STYLE 250 Piece Flat Blade Fuse kit 34 Piece MCase Fuse Kit 36 Piece JCase Combination Tall/Low Fuse Kit 30 Piece JCase Tall Fuse Kit 30 Piece JCase Tall Fuse Kit