Sprue Bases
- Rubber sprue base
- Tree type
- Heavy duty rubber
- Allows casting flasks to be held in place, forming a leak proof seal
- Melt wax into the centre hole and then either add a sprue or attach wax models right to the dome base
- Tree sprue base are perfect for high production jewellery making studios
- 25mm high (internal depth 20mm)
- Universal base can be used with 2 different size flasks
