Manufacturer: Heathrow Scientific
| Item Number | Volume | Length x Outer Diameter | Hole Diameter |
| HS20629A | 1 mL | 1.1 x 0.47 in (28.7 x 12 mm) | 0.24 in (6 mm) |
| HS20629B | 3 mL | 1.6 x 0.70 in (41 x 17.8 mm) | 0.26 in (6.5 mm) |
Manufacturer Part Number/SKU: HS20629A-PK
Tags: Heathrow Scientific