Just recently I purchased a Chefs Choice elecrtric knife sharpener for sharpening fillet,hunting, kitchen knives,etc.And wondered If I could Sharpened my Stingers with it.All I did was remove the main blade assembly from the furrele and use needle nose pliars to hold the blade assembly,a few passes in the Chefs Choice sharpener and you've got a rzor sharp edge in seconds.If you havn't used a Chefs Choice sharpener before, you should try one. They are a little pricey but worth every penny.I'm not trying to promote the Chefs Choice sharpener in any way,I just thought it might help some of you out.