Description
Hollow balls with material of #201 #304 #316 are able to get a remarkable weight saving and keep the properties of the correspondent solid balls (mechanical properties, corrosion resistance, magnetism). The low density value allows balls to float.
 
					 
							 
							

 
	 
	 
				 
	 
				 
	 
				 
	 
				 
	 
				 
	