Klein Tools 3256 Broad-Head Bull Pin Made of Forged, Made in USA, Heat-Treaded Steel With Black Finish, 1-1/16-Inch

Is this the big bull pin

I need bigger from 2 inches to 1/2 inch about 20 inches long would they special make it

What metal alloy is this made of?

Im confused on whether this is 10 or 16 inches.. says 10 im description but 16 in the size dropdown bar. Anyone know if it is indeed 10 inches?