Both of these vintage, steel horse bits are 5 inches across. The Judd and North anchor mark is clear on the smaller of the 2, which has a 5&1/2 inch shank. The larger of the 2 has a 7 inch shank. I'm not seeing the mark on this one. It may have been on the inside, and worn thin. They are in great shape, and would make an awesome addition to any collection of vintage and antique tack, as well as decorator pieces.