I saw them and only can send three sets at a time, have you used them before?
https://www.fish307.com/auger-blade-sharpening/From their site
Instructions
1.Remove your blades from your auger and keep your bolt assemblies.
2.Reference the pricing table below to figure out your total.
3.Make your check or money order out to FISH307 for the total.
4.Fill in the form below. You can type in the boxes.
5.Print the page and cut out the form.
6.Mail your blades, check or money order (sorry, no C.O.D.) and the form to:
FISH307.com
6 State Route 149
Lake George, NY 12845
7.Please do not tape blades & Please Keep Your Blades In Sets of 2 (if applicable)
8.
Shipping charges apply for up to 3 sets of blades in one package. For 4 or more sets of blades in one package, add $1 per set - )
May want to call them ...I am a little foggy on the math as to the total but a phone call/Email could fix that I'm certain.