Stabilize vessels and labware on the bench or in water baths
- Vinyl-coated lead rings will not mark or scratch benchtops and labware
- C-shape format allows some manual size variation for a customized fit
| Item Number | Inside Diameter | Outside Diameter | Weight |
| HS8881A | 1.9 in. (4.2 cm) | 3 in. (7.5 cm) | 215 Grams (0.47 lbs) |
| HS8881B | 2 in. (5.1 cm) | 3.5 in. (9 cm) | 465 Grams (1.03 lbs) |
| HS8881C | 2.1 in. (5.4 cm) | 3.9 in. (9.8 cm) | 595 Grams (1.31 lbs) |
| HS8881D | 2.6 in. (6.6 cm) | 4.4 in. (11.3 cm) | 890 Grams (1.96 lbs) |
