You can certainly spend less and get the job done but they're a lot of fun to use. Chosera Sharpening Stones are considered the best commercial stones on the market today. Naniwa Professional Chosera 400 Grit . Price: $138.95 & FREE Delivery. Naniwa Professional Chosera 600 Grit. $68.00. No, the Choceras aren't "overkill" for a home user so long as you plan to learn to use them. The Naniwa Chosera 800 … 4. Overall they're my favorite synthetic stones. We carry the baseless version so the stone can be used on both sides. 4.8 out of 5 stars 185 ratings. Naniwa Chosera 800 Grit Stone - with Base by Naniwa Abrasive Mfg. Details: Size: 210 x 70 x 25 mm Accessory: Dressing stone (cleaning stone) 65x47x32 mm 1 piece For Medium grinding purposes. The 800 is the hidden gem of the Chocera line. 0 … 5.0 average based on 7 product ratings. 5. A truly fantastic stone. $65.70. Naniwa Chosera 800 Grit Stone - with Base. Yahiko True Grit Stones; ... Chosera Stones. The 800 Grit Naniwa Chosera sharpening stone is a premium sharpening stone that works on almost all types of knives, scissors, tools and chisels, including those made with abrasion resistant steels. Naniwa Professional Chosera 800 Grit… Naniwa Chosera, Super and Work stones have been replaced by the new and improved Professional, Speciality and Combination stones. 7 product ratings. Share - Naniwa Chosera 800 Grit Stone - with Base. 7 users rated this 5 out of 5 stars 7. Grit: 800 … Click on the banner above for the new stones.