Mini Drill Diamond Grinding Head Shank Grinding Rods Needle Engraving Carving

Features: 100% brand new and high quality Diamond coated cylindrical flat head lengthened burrs set. High strength and hardness. Durable in use. Suitable for use in grind shape and finish with precision for the glass ceramics tile brick plastics wood fiberglass stone rock carbide gold platinum silver metals. Fits for hand drill drill press rotary tool with a 3mm collet. Package Includes: Fits for hand drill drill press rotary tool with a 3mm collet. Specifications: Brand new Shape: M trigonometric tip Material: Stainless Steel Overall Length: approx. 50mm/1.97 inch Plated grinding sand part of a long: approx. 30mm Grit Size(US): 120 note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you place order. 2.Due to the difference between different monitors the picture may not reflect the actual color of the item. Thank you!