Nisshin Tool Infinite Coating Premium Long Neck Ball Hard high MRBH230 (for hardness) R0.3X7(D4)

―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹― 🛫【Certified Store on JOOM】 A Japanese seller delivering high-quality products across borders! 📦【Shipped from Japan】 We pack carefully and deliver promptly and securely. 🔍【Strict Inspection Based on Japanese Quality Standards】 Only carefully selected products of excellent quality are delivered. 📒【Japanese Instruction Manual May Be Included】 We recommend using a text recognition app for translation. 👍【If you are satisfied with the product, please "Follow" our store and leave a review!】 Your support means a lot to us 💖 ―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹― Processing use: curved surface processing Blade diameter (mm): 0.6 Blade length (mm): 0.45 Ball radius (mm): R0.3 Shank diameter (mm): 4 Total length (mm): 45 (d2) Underneck diameter (mm): 0.56 (γ) Neck angle: 12°