I'm going to take a stab at this ad say the F is a 57... Rory wil be around shortly to tell me I am wrong... I could verify by looking at a few of mine but they are still cased from the range.
You can figure it out on your own... look just above the lever pivot point and there will be a letter/ number combo stamped with an oval around it. Can be hard to read but should be two numbers then a letter... what you need is that letter...
A=49
B=50
C=51
Stays like that... no O though...and I don't think a Q either but could be wrong...Rory??
