Made from soft annealed copper for the British Standard Pipe and Metric thread sizes. 
The washers are folded that has many layers to create a crushing and sealing effect better than flat washers. 
Key Features
-  Excellent at conducting thermal and electricity 
 -  Non-magnetic properties 
 -  Resistant to corrosion 
 -  Useful when in need to seal
 
 
                                                            
                            
                         
                        
                            
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