Approximate shipping weights

Approximate Weights
	Standard Wheels Thickness of wheel in inches
Diam. In.	1/4	3/8	1/2	3/4	1	1-1/2	2	2-1/2	3	4
3	0.17	0.26	0.32	0.48	0.67	1.02	1.37	1.68	2.04	3.60
4	0.30	0.46	0.60	0.90	1.20	1.80	2.40	3.00	3.60	4.80
5	0.46	0.66	0.84	1.08	1.78	2.76	3.72	4.62	5.58	7.44
6	0.70	1.06	1.40	2.10	2.76	4.13	5.52	6.90	8.28	11.28
7	0.96	1.50	1.98	3.00	4.02	6.12	8.64	10.03	12.00	15.60
8	1.30	1.88	2.70	4.02	5.28	8.04	10.68	13.20	15.60	20.40
9	1.60	2.28	3.18	4.80	6.36	9.48	13.20	15.60	18.00	25.20
10	1.99	3.24	4.08	6.00	8.16	11.82	16.80	20.40	26.40	32.40
12	2.88	4.50	5.82	9.00	11.64	18.00	22.80	30.00	36.00	45.60
14	3.84	5.64	7.68	11.59	15.60	24.00	31.20	39.60	45.60	62.40
16	0	7.34	9.78	14.40	20.40	31.20	40.80	51.60	61.20	81.60
18			13.20	19.20	26.40	39.60	52.80	66.00	79.20	104.40
20	0	0	0	25.20	33.60	49.20	66.00	81.60	98.40	130.80
22		`			39.60	58.80	78.00	98.40	117.60	157.20
24	0	0	0	0	45.60	70.80	93.60	117.60	140.40	187.20
26						82.80	110.40	138.00	165.60	220.80
30	0	0	0	0	0	102.00	139.20	174.60	211.20	284.40