Please note the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! [Package contents]The package includes 8 different sizes of diamond pieces and angle guide, including 240 , 400 , 600 , 800 , 1000 , 1500 , 2000 , and 3000 [Use for most cutting tools and cutter knife edges]:Widely used for grinding of household knives, professional chef knives, outdoor knives, engraving knives and other knives.More efficiency and durability are less risky than waterstones damage margins. not need water during the sharpening process Material: diamond Color as shown Package Contents: 8Pcs Diamond Sharpener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.