HARFINGTON 5pcs 325-400 Grits Diamond Grinding Bit 2.3mm Oval Head 2.35mm Shank 4mm Length Stone Sanding Drill Bits Rotary Tool for Ceramic Glass Nails Grinding Polishing

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• Size - Grits: 325-400 Grits; Diameter: 2.3mm / 0.09"; Head Length: 4mm / 0.16"; Shank Diameter: 2.35mm / 3/32"; Shank Length: 41mm / 1.61"; Total Length: 45mm / 1.8"; The multi-purpose tool diamond drill bit set is packaged in a sturdy plastic box for your convenience to carry and store
• Material - This grinding bit is made of stainless steel, which has excellent heat and corrosion resistance, and is covered with a sharply diamond particle coating that will not fall off or deform due to repeated use
• Features - The round handle design of the rotary tool diamond grinding drill bit makes it suitable for most electronic grinders, engraving machines, hanging grinders and hand drills, which is very suitable for gemstone carving, molding repair, casting cleaning, rust removal and polishing, and DIY enthusiasts
• Applications - The diamond drill bit set is very suitable for home decoration and handicrafts. It is a good helper for polishing, grinding, drilling, cutting, engraving and other operations, which can be engraved on various materials, such as tiles, ceramics, marble, stone, ceramics, agate, and even hard metals such as iron and silver
• Wide Use - The grinding bit is also suitable for grinding and polishing nails, which can meet all needs of removing dead skin, shaping or removing gel art nails, which is suitable for natural nails and artificial nails, suitable for nail art beginners and professionals