Work Sharp Pivot Pro Knife & Tool Sharpener 1589715 The charge is completely impervious 193070851914 The charge is completely impervious to moisture and loaded with clean burning Hodgdon Triple Eight powder to the same tight tolerances as Federal Premium factory ammunition This new last is designed to cup your heel for a secure fit while offering a little more room in the toe box to accommodate feet that are carrying heavy loads Handheld design is effective for use both on a work bench or countertop and out in the yard or at camp The Work Sharp Handheld Pivot PRO Knife & Tool Sharpener quickly and easily restores factory sharpness to knives and a wide range of edge tools