Fangrui Product Details Fangrui Product Details Fangrui Product Details Pre-wired - This Fuse Relay Box Is Pre-wired Design, Completing Half Of The Connection Work, Makes The Entire Connection Process Faster And Time-saving. Capacity - This Fuse And Relay Box Can Max Hold 4 Relays And 12 Fuses At The Same Time, Making Multiple Relays In One Box, Keeps Your Circuit Neat And Tidy. New Installation Design - The Front Mounting Design Can Safely Install The Relay Fuse Box Anywhere. The Waterproof Fuse Relay Block Is Designed To Provide A Reliable And Safe Environment For The Use Of Equipment And Keep The Connection System Clean. It Is Applicable To Cars, Trucks, Ships, Etc. 40a Relay - This Relay Box 12v Automotive Be Equipped With 4 Pieces Of 4 Pin 40a Relays, Provide The Highest Rating To Make Its Application And . Various Size Fuses - This Auto Fuse Block Also Come With 12 Pieces Of Atc/ato Fuses, Which Includes 3 X 10a, 3 X 20a, 3 X 25a, And 3 X 30a Blade Fuses, Can Meet A Wide Range Of Using Requirements. Fuse Relay Box Kit Relay Type: 40a For Relay Fuse Type: Atc Ato Fuse