Traditional Jewellers metal casting flask/moulding box robustly made from Aluminium

10 swg Aluminium tube thickness 3mm or approx 1/8"

Made from 2 interlocking casting rings to ensure perfect alignment.

Outer dimensions 60mm wide and 67mm two parts are combined height

The clay will need to thoroughly hammered to a tight compression or it will collapse when you remove the original piece.

We use talcum on all seals and insides to help with release.

These are also ideal for those interested in Delft clay casting

1kg of petrobond sand clay