375 (9ct gold) Curved Carat Hallmark Stamp

375 (9ct gold) Curved Carat Hallmark Stamp Punch

This quality 375 German-made carat stamp is .75mm high. This is the hallmark you need to use for 9ct gold (an alloy of 37.5% silver and 62.5% other metals).

This carat stamp is curved so you can hallmark the inside of rings, as well as any other piece of jewellery that requires a hallmark.

The engraving is slightly arched to follow the shape of the ring and the curved shape makes it possible to punch directly into rings.

• Length : 86 mm
• Type height : 0.75 mm
• Material : Tool steel
• Stamp : 375 (9ct gold)

This punch is also part of   the Ultimate Lost Wax Jewellery Tool Kit   and   the Premium Jewellery Tool Starter Kit .

Prices include GST.