I have a BT40 VMC15....actually not sure what pull studs it uses. I have short stubby 45 degree studs.

I am trying to determine if this part number will work, I see them fairly reasonable on an auction site......they "look" right , but are the other options visibly different besides the length?
PS BT40 - 45 DEG M16 ANSI B P/N 7300018 4517018