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• B type cone point Φ6M3
• B type aluminum Φ5M3
• B type mild steel copper plating Φ12M6
• B type mild steel copper plating Φ8M6
• Type B stainless steel Φ10M6
• Type B stainless steel Φ6M4
• A quarter of 20 stored energy welding rod
• There is no point welding by hand
• No point plane