what helixes are these???

[yamiman]

8bv 70
8bv 86 50 (this one has two numbers stamped next to each other)

 

[Turk]

70 = 47 straight yammie
50 = 45 straight yammie

 

[nailsandrails]

8BV 70 is 47....8BV 50 is 45.. not sure what the other number are....

 

[yamiman]

thanks for the quick replies. i dont know whats up with the other one it just has 8bv 86(stamped in one circle) and 50 in the other circle. right next to each other.