20PCS Wood Router Bits Drill Bits Rotary Grinder Grinding HSS Router Carbide Engraving Bits & Tungsten Carbide Cutting Burr Set Fit for Dremel Rotary Tools

Description: This 20 pcs electric polishing kits are for DIY polished engraving cutting polishing (wood polishing purposes). These are all high speed steel tools with 3mm shank. Features: Apply high speed steel high hardness wear-resistant & durable. Suit to engrave polish slot materials like wood . High working efficiency good grinding effect. 20 different tools include: rotary burrs grinding head and rotary burr cutting tools etc. Suits most kinds of rotary tools electric grinder and electric drill. Perfect to use for wood other not hard materials. Specifications: Size: As shown Color: Silver Gold Material: High Speed Steel Shank Diameter: 3mm / 0.118in Total Length: 40mm / 1.57in Package List: 20 * High Speed Steel Rotary Burs Note: For better function and tool protection this set is not suitable for engraving hard wood metal or stone. It is suitable for wood and materials doesn t have so high hardness.