Things I liked:Nice looking rings. Self centering design is pretty slick. Things I would have changed:Nothing I can think of. What others should know:Well, they're scope rings. They don't do a glamorous job and it is easy to cut corners with scope rings when you're selecting your equipment. If you put $500.00 into an air rifle and another $200.00 into optics, do yourself a favor match those purchases with quality scope rings. These went on my Benjamin Marauder and the silver is a nice highlight against all that black.