5PCS 3mm Shank Grinding Rods Mini Drill Diamond Grinding for Head Bur Needle Engraving Carving Polishing Glass Drill Bit

Features: brand new and high quality Diamond coated cylindrical flat for 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.

Specifications: Brand new

Shape: for 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

Package Includes: Fits for hand drill, drill press rotary tool with a 3mm collet.

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!