Originally Posted by mengler
Try eBay for rotary blades especially bulk buys. I bought bulk awhile back, 30 or so for a fraction of the price @ LQS or even WM. Search rotary 45 or 28 whatever size you need
I bought some from jhittle a few years ago . I think like 40 of them and still have some left. before that there was a guy on ebay that if you mailed yours back you could exchange and get new ones for a cut rate. I haven't even looked in a long time