Diamond sharpening system ($53): http://amzn.to/1mHx6Db Standard sharpening system ($22): http://amzn.to/1yx5eHa Stand for the sharpening system ($8): http://amzn.to/1rFAdwc Diamond Deluxe sharpening system ($55): http://amzn.to/1NgDs2N (comes with extra