[Safty Circuit Protection] The fuse holder is designed with a tight waterproof cap, with a waterproof rating of IP67, which can keep water away from the fuse and effectively prevent water from damaging the circuit. About 12 inch 30cm 12 gauge wire each side. Fuse holder dimension: 19x19x14mm[Waterproof & Dustproof Fuse] Unique double-slot close-fitting waterproof cover design, enhance moisture-proof performance, high temperature resistance, current resistance. Weatherproof, can effectively prevent water from entering the holder, protect the blade fuse inside the holder[ Strong & Durable Fuse Holder] The 12 AWG in-line fuse holder is made of pure copper, which has better conductivity. The transparent shell allows you to quickly detect the blown fuse, avoiding the circuit from being adversely affected by short circuits, overloads, etc.[Support Up to 30A Fuses] for 12V DC,fits for 1A, 2A, 3A, 4A, 5A, 7.5A, 10A, 15A, 20A, 25A, 30A, ATC/ATO blade fuse.perfect for cars, trucks, boats, trailers, SUVs and more electrical devices[Easy to Use] Just cut the wire in the middle and connect the inline fuse holder to your device. The additional fuse puller can easily install the fuseColour:black+greenMaterial:Metal + PlasticPackage Contents:1 set x fuse holderOnly the above package content, other products are not included.Note: Light shooting 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.