The Naniwa Gouken sharpening stone, grain 220 is enhanced with a flat, convex and hollow side! As such this stone is great when sharpening both blades of branch loppers, pruning or garden shears. The Naniwa Gouken sharpening stones can, however, also be used on every pair of scissors, knife, machete, gouge etc. with a bent, curved or straight edge.
Have you been using the same garden shears for over 20 years? If so this grain 220 sharpening stone will be the right choice. This sharpening stone will quickly remove all irregularities from the edge, after which you can once again use it for all coarse pruning tasks.
Submerge the stone a couple of minutes before use. As you use the stone it is wise to make sure it stays wet. Place the sharpening stone against the entire sharpened side of the blade. As such you don't only sharpen the end of the edge! Move the sharpening stone up and down alongside the edge until you have sharpened it completely.