10pcs 100-120 Grits Diamond Grinding Bit 4mm Ball Head 2.35mm Shank 4mm Length Titanium Plated Stone Sanding Drill Bits Rotary Tool for Nails Grinding Polishing. 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, casting cleaning, rust removal and polishing, and DIY enthusiasts.
Item Tag: 4 Millimeters
8pcs 120-140 Grits Diamond Grinding Bit 4mm Inverted Cone Head 2.35mm Shank 3mm Length Titanium Plated Stone Sanding Drill Bits Rotary Tool for Nails Grinding Polishing. 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.
【Wide Applications】: For Wet and Dry Polishing kit, for best results use granite polishing pads with water. Great For All Solid Surface Materials. Perfect for Granite, Concrete, Marble, Stone, Tiles etc.