My calipers only go up to 6”. But, I made what I have work for the #3.
6 7/8”
4 3/4”
1030g
If those numbers are accurate, that would say female for sure to me. The picture must be decieving as that ratio is pure female. Length/width = 1.447. I've never seen a male that is over 600g have a ratio under 1.55