Description: You can use this sharpening stone with confidence, and it is safe and environmental friendly. With dual-grit design, the coarse side is used to sharpen quickly and the middle fine side is for finely sharpening and trimming. Made of high-quality brown corundum or carborundum material, the sharpening stone is sturdy and durable. The diameter of the A sharpening stone is 7.6cm and the thickness is 2.7cm. The diameter of the B sharpening stone is 7.8cm and the thickness is 2cm. It is suitable for sharpening scissor, shear, lawnmower, axe and other cutters. Item Name: Sharpening Stone Material: Brown Corundum,Carborundum Specification: A: Brown Corundum, B: Carborundum Granularity: A: 120 Grits + 180 Grits, B: 240 Grits + 400 Grits Size Details: A: 7.6cm x 7.6cm x 2.7cm/2.99" x 2.99" x 1.06" (Approx.) B: 7.8cm x 7.8cm x 2cm/3.07" x 3.07" x 0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sharpening Stone