Size IN A IN Packing Weight LB Inner Master 1/8 0.54 20 320 0.1 1/4 0.71 40 320 0.2 3/8 0.82 40 160 0.1 1/2 1.01 30 120 0.4 3/4 1.18 20 80 0.7 1 1.43 20 40 1.0 1-1/4 1.69 - 20 1.6 1-1/2 1.84 - 18 2.1 2 2.12 - 10 3.2 2-1/2 2.70 - 6 5.5 3 3.08 - 4 8.2 4 3.79 - 2 13.5