LB. TEST	DIAMETER
12	.011 in .281 mm
15	.013 in .330 mm
20	.017 in .433 mm
25	.019 in .473 mm
30	.022 in .565 mm
40	.024 in .620 mm
50	.026 in .660 mm
60	.030 in .770 mm
80	.032 in .810 mm
100	.042 in 1.068 mm
130	.046 in 1.175 mm
150	.050 in 1.281 mm
200	.057 in 1.445 mm
220	.066 in 1.677 mm
300	.072 in 1.828 mm