Gesswein® Moldmaker Plus Stones

Moldmaker Plus Polishing Stones are a premium upgrade to the original Moldmaker Series, formulated with green silicon carbide—the hardest abrasive grain we offer. These medium-hard stones are engineered to deliver a fast, controlled breakdown and leave a silky matte finish on all types of pre-hardened tool steels. Whether you’re working on A2, D2, H13, or 420SS, Moldmaker Plus Stones offer versatility and performance, even on non-ferrous metals like aluminum and beryllium. Made in the USA, they’re ideal for professionals who require precision, speed, and consistent surface quality in mold and die applications.

Features:

• Formulated with premium green silicon carbide, our hardest abrasive
• Delivers a fine, silky matte finish on hardened tool steels
• Recommended for use on A2, D2, S7, H13, P20, 420SS, aluminum, and beryllium
• Medium-hard formulation with a moderate-fast breakdown rate
• Ideal for wet use to maintain control and efficiency
• Consistently performs across a wide range of tool steels and alloys