Features:-It has a variety of angles to choose from and can rotate 360°, and can be adjusted by turning the screw on the vertical rod.-The G-clip allows you to securely attach the unit to a table, stool, stove, or other platform.-The handle is located above the blade, so it won't hurt your hands when you slide the sharpener back and forth, ensuring safe use.-Equipped with 4 whetstones with bases, 120#, 320#, 600#, 1500#. The smaller the grit, the rougher the surface, suitable for repairing various knives and tools. The larger the grit, the smoother the surface, which can help polish and finely grind your knives.-Perfect for sharpening serrated knives, kitchen knives, hunting knives, cooking knives, meat knives, paring knives, sushi knives, grill kniv.