(1) material : solid brass (2) finished : Chrome Plated (3) size : 60mm , 70mm ,80mm (4) type : double ... 8 mm 6. Surface treatment : Chrome plated,Brass polished,AB,AC,SN,NB7. Packing : white box,colour box,single blister card,double blister ... computer key Material brass body , brass core packing white box, color box, blister cardunit pricebased on FOB Shanghai Chrome plated brass double cylinder