Used under the head of the twist bolt when mounting signs with High Intensity or Diamond Grade™ sheetings.
        
                    Unit of Measure
                    
               
        
            
                                                                                UPC/GTIN Number (14 characters) | 
                                                                        N/A 00051138103309 00051138103316 | 
                                                                                Harmonizing Code | 
                                                                        N/A 39269045904 |