5Pcs 20Mm Head Dia 6Mm 60# Spherical Diamond Coated Grinding Head Shape Engraving Abrasive Burrs Tools

High Quality High hardness durable wear-resistant. Can be installed on the electronic grinder hanging and hand electric drill (not included here). Used for sculpturing precision grinding and internal grinding carbide in ceramic glass alloy and many other abrasive materials. can the and the life of the grinding needle. colour:Silver Material:alloy size:Head 20MM 6MM in diameter Handle 60MM Package Contents: 5* grinding head Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.