Work Sharp Guided Field Sharpener (WSGFS221). Official box: coarse 220 and fine 600 grit diamond plates; fine ceramic rod with hook groove; ceramic rod for serrations; leather strop; broadhead wrench and lanyard hole. Built-in angle guides at 20° and 25°. Weight 4.6 oz. 3-year warranty. Work Sharp designs and calibrates in Ashland, Oregon. Specs from the worksharptools.com Guided Field Sharpener page (What's In The Box lists 220 and 600 grit diamond).
The field sharpener we send out the door with hunters. Diamond, ceramic, and a strop in one piece.