Car Trailer Tires

I have Tow Master Radials on my car trailer, 205/75R14. This is the second set on the trailer. I replaced the original 1994 set in 2006 and because of side wall cracking not tread wear. I towed our racecar three seasons, used it as a utility trailer, towed a friends 57 Massey a dozen times, and numerous cars and trucks up to that point. I don't know how many miles I put on it but it was quite a few. Since I've replaced the tires I use the trailer a few times a month for utility, towed a 2002 Pontiac to the U-pull it today, towed my F150 when it broke down in Md., and towed the wifes Mustang on vacation this year a total of 3200 miles, tires are showing no wear.
I hope I can find them again when needed. they are/were made in Canada.