Please kindly noted that this item is sold by third-party sellers from Joybuy marketplace. Description This sharpener made of Diamond which durable and strong. Sharpening surface is honeycomb, so it can sharpen faster and more efficient than the oval-shaped sharpening surface. And the stripe is on the handle which can play a important role in anti-skid. Feature - Color: As shown. - Material: Diamond. - Size: 23x3.5x1.6cm. - DIAMAND SHARPENING STONES: The double-side small and ultra-thin diamand sharpening stones perform easy, efficient and sharpening and polish. - TWO CHOICE: Double sided diamond design for best choice.(400 Grit as coarse sharpen, 600 Grit for fine honing). - Folded Pocket Sharpener, less risk of damaging the edges. - The coarse surface much more efficiency than waterstones. - Light weight and compact storage, easy to carry and convenient to use. - Widely apply to outdoor tool, scissor, gardening tool, etc. DIAMAND SHARPENING STONES: The double-side small and ultra-thin diamand sharpening stones perform easy, efficient and sharpening and polish TWO CHOICE: Double sided diamond design for best choice (400 Grit as coarse sharpen, 600 Grit for fine honing) Folded Pocket Sharpener, less risk of damaging the edges The coarse surface much more efficiency than waterstones