File handle developed according to the scientific ERGO™ process.Double cut: rough sharpening of edges on spades, hoes, mower blades, axes, etc..Single cut: fine sharpening of edges on above implements and on knives and scissors.Shape: flat, parallel, with two flat, uncut edges.one side bastard double cut, the other side single second cut.Single pack carded.2-in-1.Double cut: rough sharpening of edges on spades, hoes, mower blades, axes, etc..Single cut: fine sharpening of edges on above implements and on knives and scissors.Maximum comfort with minimum effort thanks to an ergonomic design.Comfortable Two-component handle giving an excellent grip