Bahco 2-in-1 ERGO™ Homeowner’s Metal File with a two-component handle for maximum comfort and excellent grip. Developed according to the scientific ERGO™ process. With 2 different filing surfaces:

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

Specification:

Shape: flat, parallel, with 2 flat, uncut edges
Length: 200mm (8in)