These diamond tool sharpeners seem pretty good value for lss than 2 quid, always handy for keeping the tools in good shape. These will be in Lidl from Thursday 22/08/13.
Product Information :-
Suitable for sharpening a wide range of tools and utensils
Round side for sharpening knives and flat side for deburring glass or tile edging
With groove for sharpening fishing hooks and dart tips
Features extendable rod and practical rod holder with screw attachment and pocket clip