CWOVRS KNIFE SHARPENING SYSTEM with PRECISION Controlled-Angle - The original and legendary Controlled-Angle System is the ultimate in Knife Sharpening technology. Designed to give your blade a professional, razor sharp edge every time. Precision engineered, multi-angle, holds your desired angle while you sharpen. Excellent for beginners and advanced users alike UP TO 4 SHARPENDING ANGLES TO CHOOSE - The sharpener allows continuous angle adjustments from 17, 20, 25 to 30 degrees, allows the user to change the sharpening angle simultaneously on both sides of the knife which makes the process of sharpening a knife more efficient and convenient. 5 COLOR-CODED WHETSTONES & FINGER-GROOVED SAFETY HOLDE - CWOVRS Kitchen Sharpening System comes with 5 Grit high quality whetstones (#70, #120, #280, #600 and #1000). The coarse to Ultra-Fine hones provide the proper grit for complete edge care and maintenance. No oil is needed-sharpen dry or with water. (NOTE: Honing Oil NOT INCLUDED) EASY TO STORE AND CARRY - easy to use and small enough to store in a kitchen drawer or closet. The included Deluxe carrying case stows the sharpener and stones and is always ready to head into the field, or be mounted to a kitchen counter before the holiday feast. Our knife sharpener kit is the perfect gift for fathers, men, boyfriends and co-workers for party gift, birthday gift, father's day gift, anniversary gift, thanksgiving day gift, christmas gift or any other special day gift; MULTIPURPOSE USE - This global whetstone knife sharpener kit can sharp ANY BLADE, like any kitchen knife set, chef knife, steak knife, sontoku knife, paring knife, sushi knife, cleaver knife, kitchen knives, japanese knife, butcher knife, paring knife, BBQ knife, Hunting Knife, Pocket Knife, Scissor, Chisel, Blade, Straight Razor,etc.