Features: 1[Convenient to Use] The joint bearing can rotate 360 horizontally, and the whetstone handle can rotate 180 left and right, which is more convenient to operate. 2[15 Fixed Angle] The angle between the main body of sharpener and table top is 15, when the whetstone is horizontal, it means that the sharpener angle is 15. 3[Quick Clip Design] No wrench or screwdriver is required, the knife can be quickly fixed with a slight press, the clamping force is large without damaging the knife. 4[6 Whetstones] Professional sharpening system, including 6 whetstones for you to use, allows you to sharpen the knife quickly and conveniently. 5[Reliable Material] Made from premium aluminum alloy and 304 stainless steel, the sharpener system has high strength, hard to wear, rust and corrode. Package included: 1 x Quick Fixing Clip 1 x Whetstone Fixing Bracket 1 x Angle Positioning Shaft 1 x Height Setting Block (Including Relevant Joint Bearing) 6 x Whetstone 1 x User Manual