Large Capacity: This fuse and relay box can max hold 6 relays and 11 fuses at the same time, large capacity design, make multiple relay in one box, keeps your circuit neat and tidy. 40A Relay: This relay box 12v automotive be equipped with 6 pieces of 4 pin 40A relays, provide the highest capacitance to make its application and . Various Size Fuses: This auto fuse block also come with 11 pieces of ATC/ATO fuses, can meet a wide range of using demands. Convenient Pre-wired: This fuse relay box is pre-wired design, which finishes half of connection work, and only leave necessary install processes , makes the connection of this relay fuse box become much more convenient and easier . Application: The waterproof fuse relay block to provide a reliable and safe environment for device using and keep the connection systems neat and tidy, suitable for auto, car, truck, marine boat, etc. Color: Black Material: plastic Package Contents: 1 x Fuse Relay Box 6 x Relays 11 x Blade Fuse 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.