- description
 - parameters
 
| 
					 Model  | 
				
					 SR101  | 
				
					 SR102  | 
				
					 SR104  | 
				
					 SR105  | 
			
| 
					 L (mm)  | 
				
					 178  | 
				
					 356  | 
				
					 600  | 
				
					 1000  | 
			
| 
					 Adjusting of height(mm)  | 
				
					 83  | 
				
					 261  | 
				
					 505  | 
				
					 905  | 
			
| 
					 Weight(kg)  | 
				
					 1  | 
				
					 1.5  | 
				
					 2.1  | 
				
					 3.1  | 
			
	
 









