Attention! Zhuk does not include English user's guide.Zhuk is the first serial 3D-printed knife sharpener. Zhuk is based on a magnetic working table and offers many inexpensive attachments. Thanks to very durable materials, aggressive price policy and customer-oriented agile product development, Zhuk is #1 sharpener on the Russian market.Zhuk is to be clamped to a workbench (C-clamp is included).Features Any sharpening angle in a range 9° to 40° Maximum blade length 10" (250 mm) Foldable and mobile Weight 400 gram (14 oz) Tool-free assembling and usage U-fork pivot unit with the 170° rotation Base made of very durable plastic Key elements are made of metal No wobble pivot unit Stone holder for 6" stones (148 to 160 mm) Full compatibility with Edge Pro format stones Suitable for sharpening stones up to 8 inches (210 mm) Thickness compensator 4 strong neodymium magnets (pull force 15.2 kg) Parking hook for the guide rod C-clamp UpgradesUpgrading capability is the most important feature of Zhuk knife sharpeners. 5" Magnetic attachment for fillet knives (13 cm wide) 4" Magnetic attachment for long knives (11 cm wide) 2" Magnetic attachment for small knives (4.5 cm wide) Attachment for chisels and planer blades Attachment for scissors and shears Attachment for ice auger blades Convex guide rod Universal stone holder (4.5" to 8" long) WarrantyWarranty 1 year after the date of purchase. Gritomatic handles warranty support for Zhuk sharpeners in the USA. Kits and Stone bundlesYou can purchase the sharpener in a bundle with one of our Stone sets. Each of the recommended stone bundles includes stones with evenly incremented grit (grain size). You can check our recommendation, depending on the steel hardness of your knives.If you already have a collection of sharpening stones, or if you plan to purchase stones of your choice, choose the Barebone kit with no stones.Stone Bundles Basic Diamond Coated diamonds #240Coated diamonds #600Coated diamonds #1000 Inexpensive electroplated diamonds are mounted on aluminum blank with laser engraving. For all steels. Venev Centaur (3Centauri Stone Set)Venev Diamond 80 + 150 (100%)Venev Diamond 240 + 400 OCB (25%)Venev Diamond 800 OCB + 1200 OCB (25%) Mid range diamond set for all users. 6" resin-bonded dual-sided diamonds. Six grits 80 to 1200 FEPA. For all steels. To be used with water. Venev Orion (Rigel Stone Set)Orion 80 (100%)Orion 150 (100%)Orion 240 (100%)Orion 400 (OCB 25%)Orion 800 (OCB 25%)Orion 1200 (OCB 25%) Premium resin-bonded diamond set. All diamonds are mounted on aluminum blanks and easy to use. To be used with water. Silicon Carbide Gritomatic Silicon Carbide 120Gritomatic Silicon Carbide 240Gritomatic Silicon Carbide 600Gritomatic Silicon Carbide 1000Gritomatic Silicon Carbide 2500 Silicon carbide stone set for hard steels (over 58 hRC). All stones are pre-lapped, mounted on aluminum blanks, and easy to use. To be used with water. Boride Boride T2 150Boride T2 220Boride T2 400Boride T2 800Boride T2 1200 Hard bonding aluminum oxide stone set for experienced users. For all steels. Can be used with water or oil. Chosera Gritomatic Silicon Carbide 120Chosera 400Chosera 1000Chosera 3000Chosera 10000 Premium japanese stone set for all steels. Includes complimentary 120 grit silicon carbide stone. All stones are pre-lapped, mounted on aluminum blanks, and easy to use. To be used with water. Shapton Pro Shapton Pro 120Shapton Pro 320Shapton Pro 1000Shapton Pro 2000Shapton Pro 5000Shapton Pro 12000 Premium japanese stone set for all steels. All stones are pre-lapped, mounted on aluminum blanks, and easy to use. To be used with water.