Installed in our 1984 O'Day 19 to allow a Minn Kota Endura 50 mounted on the transom to receive the full 12 vdc from the four 6-volt GC-2 batteries installed in the cuddy cabin.
The length was just right. The cables are VERY flexible, unlike the stiffer 8 gauge wire I had before. It was easy to The wire was priced very reasonably compared to "per foot" sources and larger reels.
I have two other boats that I will do a similar conversion now that it worked so well.