GREATTOOL stainless steel step drill 10-step GTSS-422

―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹― 🛫【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 💖 ―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹―🔹― Number of steps: 10 Blade sizes: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm Shaft diameter: 6.35 mm Hardness: HRC58~63 Material: Cobalt high speed steel (HSS) Country of Origin: China