I have a Mac's prop saver #4 that fits 6hp- 15hp. outboards that have a max prop size of 10" This will not fit Mercury bigfoot 4 stroke models. This is made of stainless steel and was only mouted up and run one time. only VERY minor scratches. My prop was way smaller than the hoop and I actually got a smaller size to put on my 6hp. I'll include some stainless bolts, washers, and locknuts also. SOLD !! I also have a Spawnee egg sack tying machine and extras that I dont use and maybe someone here would. I tied maybe 2 sacks with this. I've been using squares and tying by hand. It has the complete tool, with directions, 2 spools of magic thread 1 spool of magic thread 1 spool of spider thread An assortment of floaters 6 rolls of netting = 2 orange 1 red 2 chartruese 1 pink SOLD !