KME Self-Aligning Broadhead and Replacement Blade Sharpener. 4" overall. Extruded and machined aluminum frame and jaws. Features a rotational clamp and two pairs of quick change jaws. Automatically rotates to perfectly align the edge of the blade with the surface of the sharpening stone every time. Hardened steel roller and bolt. Will sharpen conventional two blade broadheads, all bleeder blades and virtually all replacement blades; even mechanical blades. Works with any benchstone: arkansas stone, diamond stone, india stone and water stone. Also includes a 14 ga. stainless steel wrench. Not for conventional three or four blade broadheads.