The ARS SD-95-PN is a compact 3-sided diamond sharpener designed for maintaining pruning tool blades and knives. Featuring a retractable pen-style design, this sharpening tool offers exceptional portability for gardeners and horticultural professionals who need to keep their cutting tools in optimal condition whilst working. The sharpener incorporates three distinct sharpening surfaces to accommodate different blade profiles and sharpening requirements. These include an R curve section for curved blades, a flat surface for straight edges, and a V groove for precision work on pointed implements. This versatility makes it suitable for maintaining secateurs, pruning saws, loppers, and general-purpose knives used in gardening and landscaping work. The retractable design protects the diamond surfaces when not in use whilst keeping the tool compact enough to carry in a pocket or tool pouch. This makes it ideal for contractors and groundskeepers who require sharp cutting tools throughout the