4 Post Power Distribution Block Bus Bar Pair with Cover - Made in The USA - 250 Amp Rating – Marine Bus Bar, Automotive, and Solar Wiring – Battery Terminal Distribution Block - (Set of 2) (3/8”)

This thing seems rock solid. I may have gone with one size up (5/16) and probably could have used the smaller bolt size (1/4) or (3/8). The packaging was perfect for item and is Made In The USA. Another reason I went with this product. So far it is working great in my test environment and will be moving the components to my car soon. This block is running a 12V system with a power source, 3 amp and a DSP. Not sure if it shows but I also purchased the matching negative bus bar. Basically just the color is different. 4 gauge wire is being used for most with sized connections and heat wrap. So far I have been using this for a month of long term testing. One thing, just tighten the connections for a guaranteed solid connection when testing.

Very well made!! In the USA!!

Good quality, worked well in my solar application

Good bus bars, just what i needed to finish my project

Used these in my solar installation. Looked all over for a distribution bar that could handle 5/16 as well as 3/8ths. I wish this thing could do all 5/16ths lugs so it would be able to handle any size lugs on the cables. But it is well made and I appreciate the top cover plate as an added safety measure. Good quality materials and workmanship.

Used for a battery relocation and was perfect for what I needed

Using these as power bars in an RV, connections from 4 gauge to 12 gauge. The covers and nut pieces make it look good.

I do a lot of electrical installs in trailers and small vehicles and this is one of the more well-built bus bars that I have purchased. Yes the case and mounting is plastic and a drawback is they do not supply you with mounting hardware which I would highly suggest the company to. Time will test the durability of the plastic housing but so far I have had zero issues with it done some testing and zero heat buildup like you get with some of these other cheap bus bars.. I would recommend that the company upgrade to a copper bus to eliminate any and all chance possible resistance or galvanic corrosion over time especially in more moisture prone environments. But it is extremely hard to find copper-based bus bars these days because copper is soft and a company's Sole Purpose to design a very durable device..I will revisit this after I have thoroughly tested it.