- 10 Pack Collars helps protect graduated cylinders against breakage
- Fits 250mL graduated cylinders (42mm ( /-0.25mm diameters)
- Hexagonal shape ideal for preventing overturned cylinders from rolling
- Made of shock-absorbant ABS plastic
- 2.25" length and width
Pack of 10 Protective Collars for 250mL graduated cylinders. Hexagonal shape prevents an overturned cylinder from rolling off surface. Suitable for tubes with a diameter of 42mm ( /-0.25mm).