Crucible-Procraft-50 Dwt (2-1/2 Oz.) Durston Best-selling file shape in the

Best-selling file shape in the jewelry trade

22mm half-round

they provide the flexibility to match the right ring profile to any design requirement — from delicate

It is recommended as a protective cover for your optics whenever an auxiliary lens is not in use

Pre-drilled for Durston Mini-Mills

Crucible-Procraft-50 Dwt (2-1/2 Oz.) Durston Best-selling file shape in theThe Crucible Procraft 50 DWT (2 1 2 oz.) is a professional grade casting machine crucible built for repeated use in centrifugal casting applications. Constructed from fused silica with a clay band, this crucible is engineered to withstand the thermal demands of multiple meltings without compromising structural integrity. Its stepped, straight wall geometry provides a stable melt chamber and reliable pour, making it a dependable choice for production