About the product
- Spring expands by itself when dropped in hot water exerting force
- Spring shuts closed by itself cooled to room temperature or dropped in cool water exerting force
- Spring wire gauge 07 mm Spring Diameter 9 mm
- Fully contracted cold length 15 mm Fully extended hot length 40 mm Actual spring length may vary 5 mm
- Weight 128 grams Package contains One Spring