Plastic Mold Registration Keys for Plaster Slip Casting Molds | Perfect Fit Every Time

These plastic keys for plaster slip cast moulds provide a durable alternative to traditional plaster keys, which can chip, break, or fail to fit accurately.

Made from PLA bioplastic, each key set stays securely in place, preventing movement or misalignment. The positive and negative keys fit together precisely, ensuring accurate multi-piece mould assembly. A long-lasting solution for ceramic artists seeking a more reliable keying system.

NOTE: The plaster mould within the images & video is not included!

🇬🇧 Designed, Made, and Shipped from the UK
🌐 Ships Internationally

The larger the pack you purchase, the more you save on individual keys:
▶ Pack of 4 Keys
▶ Pack of 8 Keys (Save 12%)
▶ Pack of 12 Keys (Save 33%)
▶ Pack of 24 Keys (Save 45%)
▶ Pack of 36 Keys (Save 52%)
▶ Pack of 72 Keys (Save 58%)

Mold Key Specs:

Key Depth: 10mm
Key Width (Face): 14mm
Key Width (Base): 18mm
Key Width (Positive): 12mm
Key Width (Negative): 12mm

Main Features

☑️ Durable – Non-chipping keys that are more robust than plaster & outlasts the moulds themselves.
☑️ Perfect Precision – The keys are designed with millimetre accuracy ensuring a perfect fit every time.
☑️ Effortless Assembly – Robust bioplastic keys slide into place for a perfect fit every time.
☑️ Easy Instructions – Comes with simple, straight-forward instructions for assembly & use.

Dispatch, Shipping, & Delivery Times

🔘 Every key set is made-to-order which takes us 1-3 days to create
🔘 Delays due to customs, courier efficiency, weather, or peak seasons are beyond our control.
🔘 Tracking numbers are provided for all shipments.

Customs & Import Duties

🔘 Shipments outside the UK may be subject to customs clearance delays. Contact your local customs office for updates. The customer is responsible for paying for customs/import duties.

Safety Guidance

🔘 Keep away from children as these small plastic parts pose a choking hazard.