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. Made of strong, heat-resistant cast steel. Tough zinc plating protect the rings and combat rusting.
Additional information
| Weight | .7 lbs |
|---|---|
| Dimensions | 2 × 2 × 1 in |
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