Hello, I have a company that re-sharpens my bits. They have a minimum order. They will only do the 1/16th carving bits. So, what I am offering is a bit exchange. You would send me your old bits and I will send you re-sharpened bits. If they are sent with adapters, they will come back with the same kind of adapters. You will not receive the exact bits back as I have a large stock of re-sharpened bits on hand. This eliminates the turn-a-round time. You will handle the shipping to us and we will handle the shipping back to you, US shipping addresses only. I am asking for a minimum order of 5 bits per mailing. Each re-sharpened bit is $20. If you wish to contact us for more information, please send a PM through here. Thank you