Specification :
Voltage: DC-20V
No load speed: 8,000 RPM
Die of wheel: 115mm (4-1/2")
Thread size: 14mm
Motor :5030#
Brushless motor max power,best performance&longer life time
Convenient to use without cord
Powerful motor for the toughest applications
Soft grip handle for comfortable working
Large trigger switch with variable speed
Lock-on switch for continuous working convenience