Red vinyl-coated lead ring weight for laboratory use. This type of weight ring is commonly used to stabilize flasks, beakers, and other glass containers in water baths or similar liquid-based lab applications.

The weighted ring helps reduce floating or movement during use, while the vinyl coating helps protect glassware from direct contact.

Item is pre-owned and shows normal cosmetic wear from previous use and storage, including light surface marks. Please review all photos carefully for condition and exact measurements.

Approximate dimensions:

Outer diameter: 8 cm

Inner diameter: 4.5–5 cm

Sold exactly as shown in the photos.