The G5 Outdoors Sportsman's Sharpener is the ideal universal sharpener. Not only is it perfect for re-sharpening G5 Broadheads (or ANY broadhead!), it is also designed to sharpen your hunting and fishing knives. The G5 Sportsman's Sharpener features premium grade carbide that sharpens even the toughest of materials and the ability to "slide" the carbide along a track that increases the carbide life 600 percent compared to other "carbide style" sharpeners. G5 Oudoors Sportsman's Sharpener.