Dual Row 4/8/12 Positions 600V 15A Screw Terminal Block Terminal Barrier Strip Specification: Material: copper (lead) + plastic/Metal+ plastic Color: black + blue and white Model: TB-1504, 2 rows of 4 positions; TB-1508, 2 rows of 8 positions; TB-1512, 2 rows of 12 positions Current: 15A Voltage: 600V Dimensions: 4-position—terminal block-length*width*height about 54.5*22*17mm, aperture 4.5mm; connecting piece-total length*total width about 32.5*20mm; 8-position - terminal block - length*width*height about 90*22*17mm, aperture 4.5mm; connecting piece-total length*total width about 68*20mm; 12-Position - terminal block - length * width * height about 125 * 22 * 17mm, hole diameter 4.5mm; connecting piece - total length * total width about 103 * 20mm; Package include: (Material:Copper) 5x BT-1504 terminal blocks - 4-positions+5x Black Terminal Barrier Strips+5x Red Terminal Barrier Strips or (Material:Copper) 5x BT-1508 terminal blocks - 8-positions+5x Black Terminal Barrier Strips+5x Red Terminal Barrier Strips or (Material:Copper) 1x BT-1512 terminal blocks - 12-positions+1x Black Terminal Barrier Strips+1x Red Terminal Barrier Strips