【 Easy to storage 】Unlike other sharpeners, sharpening kit fits conveniently in a kitchen drawer or can get tucked away nicely on your kitchen countertop 【 3-stage sharpening 】Don ’ for t waste for time with the whetstone kit! Just 3 swipes with sharpener make old knives cut like! The 1st sharpening rod repairs and straightens damaged before the 2nd slot sharpens to its V-shape Finally, the 3rd slot for a clean polish Pls note: Not suitable for ceramic knives, serrated knives, scissors 【 Safe & effortless use】 Powerful suction base provide stability and sharpening power, without risk of slipping, sliding or jabbing Never worry about cutting hand while holding the sharpener 【 Golden sharpening angle 】 We ' ve went through the experiment many times and found out the 36 degree is the Golden Angle for sharpening, which can keep the best balance between sharpness and sharpness retention ability