123101 - Wider opening vials minimizes bent autosampler needles, especially when using with inserts. Type 1 borosilicate glass, 12x32 mm. (6 mm opening)311001 - 11 mm aluminum crimp cap pre-stuffed with standard seal made from proprietary synthetic rubber faced on one side with a layer of PTFE. Standard seal is good for routine use; self-sealing.Packaged: 7 in. x 5-1/4 in. cardboard box; Weight: 340.2 g.