BESULEN 10PCS Car Battery Post Terminal Shims, Auto Lead Terminal Shim Caps with 12 Piece Washers for Top Post Battery Post Ends Repair, Universal for Vehicles, SUV, Truck, RV, Boat

I needed one, but I bought the whole pack. The price was right and I have five cars and my friends might need it too.

Replace a car battery...connections were worn

Made of non corrosive lead. Good price.

So I bought a pack of shims and then ended up not needing them; my battery post clamp wasn't as loose as I thought it was, there was just a minor issue with the battery being slightly the wrong size and the terminal's wires fighting a bit to force it into an awkward angle.That said, I can attest to these shims being good for what they're made for. It's hard to screw up standardized sizing on a lead shim, and I did confirm these as a perfect fit for my positive terminal. The negative is always going to be a bit small, but the lead on these shims is bendable enough to be forced down to the correct size if needed. I'll be keeping these in storage until such a time as I need them.

My battery terminal was lose even when fully tightened. One of these caps solved the issue.

My truck stays outside and the terminals get highly corroded. Keep cleaning the corrosion but eventually the terminal lugs won't tighten anymore and maintain a good grip on the posts. Got these to help get a better connection and hopefully reduce the corrosion. I bit of pain to put on since these make it very difficult to reconnect the terminals. Had to make some modifications by snipping some of the metal off to make it wrap around tighter.

Worked like a charm

This product was perfect for old, worn battery cables. They now have a tight, snug fit and my battery now keeps a good charge.