THICKNESS
W I D T H		mm	3	5	6	8	10	12	15	16	20	25	30	35	40	50	65	75	100	125	150
	mm	ins	1/8	3/16	1/4	5/16	3/8	1/2	5/8	11/16	3/4	1	11/4	13/8	11/2	2	21/2	3	4	5	6
	15	5/8
	20	3/4
	25	1
	30	11/4
	40	1 1/2
	45	1 3/4
	50	2
	65	2 1/2
	75	3						INTERMEDIATE SIZES ALSO AVAILABLE
	90	3 1/2
	100	4
	120	5
	150	6
	180	7
	200	8
	225	9
	250	10
	275	11
	300	12
	350	14
	372	14 5/8
	400	16
	450	18
	500	20