Integral and Consistent Quality System Implements With comprehensive program, procedures and instructions COPPER CONDUCTOR PIECE(THICKNESS 0.45MM)E27 IRON PLATED BLUE ZINC SCREW SHELL THICKNESS 0.25MMCOPPER CENTER PIECE (THICKNESS 0.42MM)MANGANESE PLATED NICKLE BRACKET THICKNESS 0.8MMCOPPER PLATED NICKLE CONNECTION PIECE (THICKNESS 0.8MM) LAMPHOLDER