Product 12-Slot Capacity Fuse Relay Box - Holds 4 Relays & 12 ATC/ Fuses waterproof relay fuse block is made by retardant material, can safe and perfect protection for the fuses and relays in your engine bay, fits to most offroad, suv, utv, atv, pickup, truck, marine boat, etc. Easy to and install, it gives you a clean and tidy look . All the necessary connecting pins are included for easy hook up, and the design of cable opening hole is the outlet for all wires that allows you to entangle via one main jacket, well togethering and better shields against water splashes, dust and debris. Simple Mounting Guide: 1. Crimp the metallic pins to proper wires (wires not included) 2. Insert the tied wire into the corresponding slot from the back of the relay box.3.All wires can out from the cable opening hole, then the back lid. Color: black Material: ABS Package Contents: 1x 12-Way Box Multi-Circuit Assembly 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.