suitable for 10 PCS of 20Amp 30Amp Miniature Box Fuses FMM MCASE Type FMM Maxi Fuses ("Low Blow")-FO SHAN RAN WANG Includes 5 Pack 20amp 5 Pack 30amp Series Female -Slow-Blow MAXI Fuse Rating. Smaller than J-Case box fuses - These are a mini version of the more common fuses. Commonly used in RAM truck fuse boxes, along with other makes, for automotive . An value! Far less expensive than factory replacements! Perfect for replacing trailer-related blown fuses in trucks. color:As shown Material:plastic Package Contents: 10 x fuses Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Please pay attention to the title and description when buying, and pay attention to the title and description when buying.