Stabilize vessels and labware on the bench or in water baths
- Vinyl-coated lead rings will not mark or scratch benchtops and labware
| Item Number | Diameter | Outer Diameter | Weight |
| HS8882A | 1.9 in. (4.8 cm) | 3 in. (7.7 cm) | 210 Grams (0.46 lbs) |
| HS8882B | 2 in. (5.1 cm) | 3.5 in. (9 cm) | 490 Grams (1.08 lbs) |
| HS8882C | 2.2 in. (5.7 cm) | 3.9 in. (9.8 cm) | 610 Grams (1.34 lbs) |
| HS8882D | 2.8 in. (7 cm) | 4.5 in. (11.5 cm) | 935 Grams (2.06 lbs) |
