The garden tool sharpener is made of diamond whetstone for durable use, lightweight ABS handle for comfort; the honeycomb surface can sharpen garden tools faster than conventional stones. The diamond whetstone features a double-sided diamond design, coarse 400 grit for quick edge setting, extra fine 600 grit for sharpening; no oil is needed, just sharpen dry or with water. Lightweight, compact, handy pocket knife sharpener, fits perfectly for carrying for outdoor activities. The fan-shaped and foldable construction provides excellent protection for the stones, preventing damage. Portable folding design fits in pocket or tool bag, convenient to store and carry. Sharp working knife sharpener with portable and lightweight design, this camping sharpening stone is suitable for outdoor activities, camping, garden, kitchen, sports or industries. Knife sharpener size: Diamond sharpening stone: 4 x 0.8 x 0.2 inches; Folded length: 5 inches; Extended length: 8.9 inches. Package contents: