Copper Brush Holder 1.Material:half hard copper 2.Surface finish:bare 3.Widely used in ... order Copper Brush HolderFeaturesBrush Holder with Bare Finish, Made of Half Hard Copper, Used in Electronic EquipmentsPrimary Competitive Advantages: Country of ... 4 quick response 5 high precision ::+/-0.05-0.1mm 6 process cutting,punching,bending,deburring,stamping,welding,pretreatment,assembling,etc ...