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 Test Stone is used to

Test Stone is used to verify the gold content in items

not easy to rust Temperature collection

could be divided into 6 teams

Universal design for use with cases

Can be used in the rain and has a long-term life

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 Test Stone is used to4 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