Features: 1.The high-quality whetstone manufactured by premium grade natural stone, which ensures good sharpening results and long service life.2. This sharpener comes with a non-slip base so as to hold the whetstone accurately and sharpening safety.3. Dedicated knife sharpening kits come with 6 size:180# 400# 800# 1500# 2000# 3000#, meeting your different needs.4. Beautiful appearance and appropriate size(16.5 x 5 x 3 cm), portable and convenient to sharpen more effectively.5. Suitable for most grinding operations: kitchen tools, shears tools, straight for razor, scissors, cutter, precision tools, garden tools, shave tools and art appliance, but it is except serrated. Specification:Item Type: Sharpening stone Features: 100% brand new, good quality & high performance Sharpening System Particle Size: 180# 400# 800# 1500# 2000# 3000# Dimension: Approx. 150 x 20 x 5mm / 5.91 x 0.79 x 0.2inPackage List:6 x Sharpening Stone Note:The real color of the item may be slightly different from the pictures shown on website caused by many factors. Such as brightness of your monitor and light brightness..