Perforated Flask Sleeves

Whether you are a hobbyist jeweller or a high-volume casting house, the right equipment is the difference between a flawless finish and a failed pour. Our collection of perforated flask sleeves is engineered for precision, durability, and maximum airflow.

Designed specifically for vacuum-assist casting, these sleeves allow for superior investment degassing and gas escape during the pour, significantly reducing the risk of porosity and surface defects in your precious metal pieces.