Description
Each of these extension rings is produced from strong, heat-resistant cast steel. Tough zinc plating helps to protect the rings and to combat rust.
Extension support ring allow more space when doing experiments that require room. Â Made of strong, heat-resistant cast steel. Tough zinc plating protect the rings and combat rusting.
Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 2 × 2 × 1 in |
