Open ended tubes which can be cut to length with either ground edges or flamed polished edges. 

PYREX TUBE - STANDARD WALL
OD (mm)	Wall (mm)	OD (mm)	Wall (mm)	OD (mm)	Wall (mm)
2	0.5	19	1.2	70	2.4
3	0.6	20	1.2	75	2.4
4	0.8	22	1.5	80	2.4
5	0.8	25	1.5	85	2.4
6	1.0	28	1.5	90	2.4
7	1.0	30	1.8	95	2.4
8	1.0	32	1.8	100	2.4
9	1.0	35	2.0	110	2.6
10	1.0	38	2.0	120	3.0
11	1.0	41	2.0	125	3.0
12	1.0	45	2.0	130	3.0
13	1.2	48	2.0	140	3.5
14	1.2	51	2.0	150	3.5
15	1.2	54	2.4	178	3.5
16	1.2	57	2.4	180	3.5
17	1.2	60	2.4	200	5.0
18	1.2	64	2.4	210	5.0

      Lengths: 2 to 30mm OD - 48" (+/-1/4"); 32 to 178mm OD - 48 1/4" (+/-1/4"); 180 to 210mm OD - 60" (+/-3/8")

PYREX TUBE - MEDIUM WALL
OD (in)	Wall (in)	OD (in)	Wall (in)
1/4	0.047	3 1/4	0.126
1/2	0.063	3 1/2	0.126
5/8	0.063	4	0.189
3/4	0.063	4 1/2	0.189
1	0.094	7	0.236
1 1/4	0.094	7 1/2	0.276
1 1/2	0.094	7 7/8	0.276
1 3/4	0.094	8 1/4	0.276
2	0.126	8 5/8	0.276
2 1/4	0.126	9	0.276
2 1/2	0.126	9 1/2	0.276
2 3/4	0.126	9 7/8	0.276
3	0.126

      Lengths: 1/4" to 1 1/4" OD - 48" (+/-1/4"); 1 1/2" to 4 1/2" OD - 48 1/4" (+/-1/4"); 7" to 9 7/8" OD - 60" (+/-3/8")

PYREX TUBE - HEAVY WALL
OD (in)	Wall (in)	OD (in)	Wall (in)
3/8	0.079	2 3/4	0.126
1/2	0.094	3	0.189
5/8	0.094	3 1/4	0.189
3/4	0.126	3 1/2	0.189
7/8	0.126	4	0.252
1	0.157	4 1/2	0.252
1 1/4	0.157	7 1/2	0.252
1 1/2	0.157	5	0.252
1 3/4	0.157	5 1/2	0.252
2	0.126	6	0.311
2 1/4	0.126	6 1/2	0.311
2 1/2	0.126	7	0.374

      Lengths: 3/8" to 1 1/4" OD - 48" (+/-1/4"); 1 1/2" to 7" OD - 48 1/4" (+/-3/8")