SPEC: 21% CHROME 60% MAGNESIA Shape Item Code Dimension Quantity Weight 1 460x304 212x176 130 67.27 2A 460x152x102 76 150 20.03 2B 460x152x102 64 30 18.45 3 460x230x76 80 25.89 4A 381x152x76 64 1100 13.04 4B 381x152x76 51 1200 11.85 5 UC 16 ARCH BLOCKS 74 20.41 6A 305x152x76 1200 10.84 6B 305x152x76 650 10.84