Smart Bargains has dropped the price of the Waring Pro Knife Sharpener, originally $100, from $79.99 to just $39.98. Plus, activate this link to get another 10% off and lower your total to $35.98, $64 off the retail price and the lowest we could find by $12. Plus, this link also gets you free shipping! This stainless steel knife sharpener has 2 grinding wheels, a reverse function and more. There is no sales tax (except CO, KY, MA, NC, NY).