Tube diameter: Ø 19 / 22 / 40 mm
Capacity:
Ø 19 mm: 5 ~ 20 ml
Ø 22 mm: 10 ~ 35 ml
Ø 40 mm: 40 ~ 150 ml
Roller Ball material: Stainless Steel 316L
Ceramics Roller Balls are also available.