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Buy 3 Select Stones & Plasters, Get 1 FREE!

For every three boxes of select stones & plasters purchased online, we will add one additional box to your cart at no charge to you. Hurry, this offer ends March 31, 2023! Stones & plasters include:

FiberStone™ resin die stone • Tuff-Stone™ die stone • Master Model™ Blue die stone

Castone® Cream dental stone • LabStone® dental stone • Plaster Fast Set

All three boxes must be the same product in order for the 4th box to be automatically shipped with your order at no charge to you- no mixing and matching. Ships with your order. Offer valid on online sales only. Orders must be placed between 12:00am EST on January 16, 2023 through 11:59pm EST on March 31, 2023. No coupon code necessary.

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Investing with Innovation™


At R&R, Investing with Innovation™ is more than just a slogan, it’s a way of life. Dedicated to advancing the investment casting industry, we take pride in providing foundries, dental labs, and jewelers with extensive process knowledge, exceptional technical expertise and innovative product technology. By coupling our revolutionary product developments with our experienced staff, manufacturing and warehousing facilities, we successfully help you become a casting industry leader. R&R believes in promoting value through a solutions-based approach.

Dan Nixon, President


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