- description
 - parameters
 
| 
					 Model  | 
				
					 SP121  | 
				
					 SP122  | 
				
					 SP123  | 
				
					 SP124  | 
				
					 SP125  | 
				
					 SP126  | 
				
					 SP127  | 
			
| 
					 L(mm)  | 
				
					 25  | 
				
					 50  | 
				
					 75  | 
				
					 100  | 
				
					 150  | 
				
					 200  | 
				
					 300  | 
			
| 
					 Weight(kg)  | 
				
					 0.02  | 
				
					 0.04  | 
				
					 0.06  | 
				
					 0.08  | 
				
					 0.1  | 
				
					 0.13  | 
				
					 0.2  | 
			
	
	







