Đường dây kim cương điện đúc tiêu chuẩn bền Độ dài của lớp phủ kim cương 70mm

Video Description:
Discover the Electroplated Type Diamond Mounted Points, perfect for grinding and engraving stone. These durable tools feature a 70mm diamond coating length and are ideal for detailed work on crystal, agate, and ceramics. Suitable for moto tools and high-speed die grinders.