INCH OD Tubes		METRIC OD Tubes
Fine Tech Part No.	T Tube OD	Fine Tech Part No.	T Tube OD
1 ff	1/16	ff-2	2
2 ff	1/8	ff-3	3
3 ff	3/16	ff-4	4
4 ff	1/4	ff-6	6
5 ff	5/16	ff-8	8
6 ff	3/8	ff-10	10
8 ff	1/2	ff-12	12
10 ff	5/8	ff-14	14
12 ff	3/4	ff-15	15
14 ff	7/8	ff-16	16
16 ff	1	ff-18	18
20 ff	1 1/4	ff-20	20
24 ff	1 1/2	ff-22	22
32 ff	2	ff-25	25
		ff-28	28
		ff-30	30
		ff-32	32
		ff-38	38