Various wire
BWG	8	10	12	14	16	18	19	20	21	22
mm	4.00	3.20	2.60	2.00	1.60	1.20	1.00	0.90	0.80	0.70
BWG	23	24	25	26	27	28	29	30	31
mm	0.60	0.55	0.50	0.45	0.40	0.37	0.34	0.31	0.29