... They are durable, strong, and easy to use.Polishing machine and polish machine + hand lens edger is available for your choice.OEM of ... ma*), Thickness :10 mmPowerful motor with little noise. Hand Lens Edger + Polishing Machine GPL-06:Features: For a glasses shop in ... grinding.3wheels operating together,35mm of rough grinding, fine grinding, edge groove grinding, and 1 piece of polishing cloth wheel.It ...