JDRYP1504 
  Cordless grinder 
 Voltage: 4V
 No-load speed: 5000-25000rpm
 Collet size: 3.2mm
  information 
  Voltage: 4V
No-load speed: 5000-25000rpm
Charging via USB type-C cable(cable sold separately)
Collet size: 3.2mm
Variable speed control
34 Pcs accessories
Packed by canvas bag
 No-load speed: 5000-25000rpm
Charging via USB type-C cable(cable sold separately)
Collet size: 3.2mm
Variable speed control
34 Pcs accessories
Packed by canvas bag
 