The Universal Rubber Sprue Base is a practical, versatile solution for investment casting setups. Designed to fit multiple flask sizes, this single sprue base accommodates 2-1/2", 3", and 3-1/2" diameter flasks — eliminating the need to stock separate bases for each flask size you use.
Features
- One sprue base fits three common flask diameters: 2-1/2", 3", and 3-1/2"
- Universal fit reduces the need for multiple size-specific bases
- Rubber construction for a secure, flexible seal against the flask
- Compatible with standard casting flask setups used in jewelry production
Specifications
| Compatible Flask Diameters |
2-1/2", 3", 3-1/2" |
| Material |
Rubber |
| Quantity |
1 sprue base |
