Mini Diamond Cylindrical File Dia.0.7/0.9/1.1/1.5/2.3/3.3mm Grinding Tool For Jade Alloy Guitar Strings Metal DIY Assorted File

Mini Diamond Cylindrical File Dia.0.7/0.9/1.1/1.5/2.3/3.3mm Grinding Tool For Jade Alloy Guitar Strings Metal DIY Assorted File

Aliexpress UK