Features WIDELY USEOur sharpening stones are perfect for sharpening, serrated blades and scissors, kitchen. There are some grooves on the semicircular surface, which can be used to sharpen fishhooks, fish needles, etc. to make the blade sharp. COMPACT AND PORTABLE The pocket knife sharpener can be reversed. It can then be adjusted to different lengths, shaped like a pen, and features a shirt pocket clip for easy storage. Great for camping, outdoor adventure hunting and fishing. STURDY MATERIALThe knife sharpener is made of alloy, which has excellent wear resistance, corrosion resistance, high temperature resistance, high strength and impact resistance. The grinding layer is fine and smooth, which makes the tool well polished and prolongs the service life of the tool. EASY GRIP This whetstone portable pocket knife sharpener has a comfortable grip and ergonomic design. You wont get tired or have the sharpening pen slip off easily as you sharpen your tools. Even if you sharpen your knife for a long time, you will not feel tired. DOUBLE HEADED DESIGN This portable knife sharpener adopts a double-headed design, with one end in the shape of a pen tip and the other end in a flat shape. You can choose different shapes according to your different needs. Specification: Material: alloy Color: blue+silver Size(approx.): blue tube (pipe head width x pipe tail width x length)0.9 x 1.2 x 12.5cm/0.35 x 0.47 x 4.92inch silver rod (maximum width x length)0.65 x 13cm/0.26 x 5.12inch Grit:400 Package Included: 1 PC x Grinding Pen Note: 1.Due to the light and screen difference, the items color may be slightly different from the pictures. 2.Please allow 1-2 cm differences due to manual me