Circular plastic vials

Following circular plastic vials are available:

code no. 300 008: 8 x 5 mm - sensitivity 90'
code no. 300 010: 10 x 6 mm - sensitivity 53'
code no. 300 011: 11.3 x 6.2 mm - sensitivity 53'
code no. 300 012: 12 x 7 mm- sensitivity 53'
code no. 300 015: 15 x 8 mm- sensitivity 53'
code no. 300 018: 18 x 9 mm- sensitivity 40'
code no. 300 020: 20 x 9 mm- sensitivity 53'
code no. 300 030: 30 x 10 mm- sensitivity 37'
code no. 300 040: 40 x 10 mm- sensitivity 47'

Sensitivity in degrees/minutes when bubble moves 2mm.
Clear, green, red or blue fluid is possible.