About this item: Large Capacity Relay Holder - This relay box is 6 slots relay panel design, which includes 5 slots for 5 pin style relays, 1 slot for RTT7121 4 pin relay. ATC/ATO Fuse Relay Box - This fuse block with relay is also 6 slots relay holder design for ATC/ATO fuses, which makes the fuse relay become when use. Suitable Terminals - This 12v relay box also come with terminals for relays and fuses, which enables you to install and use the fuse and relay box at once. Top & Bottom Cover - This relay box 12v automotive come with a top cover and a bottom cover, which makes the relay fuse box become a waterproof relay box. Fuse and Relay Box: Fuse Type: ATC & ATO Fuse Relay Type: Relay & RTT7121 Relay Number of Fuse Slots: 6 Number of Relay Slots: 5 x relay, 1 x RTT7121 Style Material: plastic colour: black Package Contents: 1 x Fuse Relay Block with Top & Bottom Cover 6 x Relays (5 x 5 Pin relay, 1 x RTT7121 Style) 16 x ATC/ATO Fuses (4 x 10A, 4 x 20A, 4 x 25A, 4 x 30A) 41 x