Brass Camlock connectorType-A The surface is Sand Blast treatment Products size from 1/2"-6" Thread: NPT,BSPP Brass Camlock Connector Type-AThe surface is Sand Blast treament Products size from 1/2"-6"Thread: NPT,BSPPThey are used usual industrial field including Military, Oil, Colliery, Fire control ,Chemical,Industry ,Agricultural irrigation and other fields. Brass Camlock connector