Product Description body { font-family: Arial, sans-serif; line-height: 1.6; } .features, .specifications, .package-included { margin-bottom: 20px; } h2 { color: #333; } Features Efficient sharpening with clamp design, eliminating the need for wrenches or screws. Rotating sharpening stone (180 degrees) allows side changes without removing the rod. Protective silicone gaskets prevent scratches on your cutter and desktop. Automatic clamping plate elevation for hands-free operation. Quickly set sharpening angles to 15 degrees. Constructed from 6061 aluminum alloy and 304 stainless steel for long-lasting durability. Simultaneously install two whetstones for added convenience. Smooth sliding with linear bearings for reduced friction and extended service life. Specifications Material: Stainless steel + Aluminum alloy Table clamp: 0-55mm / 0-2.2in Sharpening angle: 15-40° Whetstone size: 160 x 22 x 8mm / 6.3 x 0.7 x 0.3in Package size: 340 x 175 x 70mm / 13.4 x 6.9 x 2.8in Package weight: 1220g / 2.7lb Package Included 1 x Grinder Machine 8 x Whetstone (80#, 240#, 320#, 600#, 800#, 1000#, 2000#, 3000#) 1 x User Manual