1.voltage:110/60Hz or 230V/50Hz 2.input power:85W 3.Max. speed: 4200rpm or 4800rpm 4.arbor:7/8" ( 23mm )

voltage:110/60Hz or 230V/50Hz input power:85W Max. speed: 4200rpm or 4800rpm arbor:7/8" ( 23mm ) Net weight:2.20Kg with a piece of 4-1/4" x 1/8" grinding wheel  

Feature:

1.It makes induction motor as its power motor. Compared with permanent-magnet motor, the induction motor have the charactors: less power consumption, low vibration and mute sound, longer life.  2. for professional quality, the thickness of the main body's plastic is adquate thick.  

3. automatic power-off protect switch

Professional electric chain saw shappener