Buck 97043-B Edge Tek Field Flipstik Diamond Sharpener Medium Buck 97043 EdgeTek Field FlipStick Diamond Sharpener offers an easy carry sharpener with a 100% diamond coated surface and oval contour for sharpening a wide variety of blade edges. It is lightweight and compact, with a handle that also doubles as a carrying case. For those on-the-go, who may need a touch up after lots of field work, don’t be caught without a FlipStik!