One size: 50.5 * 43 * 31cm, 12 sets of 
Handle part: 
Operating voltage: DC2-17V 
Rated current t: 0.56A 
Ideal speed :0-25000RPM 
Load speed :0-20000RPM 
Random configuration: Main motor H handle foot switch grinding 
Product Features: 
1 Voltage Range:. 220V (can be customized 110V) 
(2) using rapid mechanical clamping method, holding more reliable. 
3 operating lever unique heat sink, prolonged use will not overheat hot phenomenon. 
4 foot switch configured to switch more easily. 
5 variable speed, reversing adjusted to meet various occasions. 
Input range: AC 100-120V, 220-240V 60/50Hz. 

Output point range:.. DC 1.25-17V Continuously adjustable buckle handle with precision construction, operation safe and convenient. Transmission double shock structure, with a very quiet, small vibration. Equipped with overpressure overpressure voltage and current protection devices. Avoid high pressure causing damage.