4 pcs 25mm Stone Rotary Grinding Bits with 1/4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing?Deburring Ferrous Metals?4pcs 6x25 cone head? auspowers_batchone protective nets

protective nets

wait for the top of the interface to turn green(or use a manual connection is faster)

5mm Interface: 1

Test Stone is used to verify the gold content in items

4 pcs 25mm Stone Rotary Grinding Bits with 1/4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing?Deburring Ferrous Metals?4pcs 6x25 cone head? auspowers_batchone protective nets4 pcs 25mm Stone Rotary Grinding Bits with 1 4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing? Deburring Ferrous Metals? 4pcs 6x25 cone head? Product Name : Stone Rotary Grinding Bits Product Size: Handle Diameter: 1 4inch Head Diameter: 25mm 0. 78inch Material: 80 grit aluminum oxide Package Includes: 4 pieces of Stone Rotary Grinding Bits Product Features High Quality Materials: polishing bit Made of 80 grit aluminum