Photo 1 of ??? ?? 8 Pcs Cone Shape Grinding Stone - 1/4'' Hex Shank Abrasive Stone Mounted Grinding Point Aluminum Oxide Grinding Bits for Rotary Tool Drill (Head Size: 20mm)

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Photo 1 of ??? ?? 8 Pcs Cone Shape Grinding Stone - 1/4'' Hex Shank Abrasive Stone Mounted Grinding Point Aluminum Oxide Grinding Bits for Rotary Tool Drill (Head Size: 20mm)Photo 2 of ??? ?? 8 Pcs Cone Shape Grinding Stone - 1/4'' Hex Shank Abrasive Stone Mounted Grinding Point Aluminum Oxide Grinding Bits for Rotary Tool Drill (Head Size: 20mm)