This X-tra Hard ivory colored resin stone was introduced as the “Ultimate Die Stone”.
Currently our most popular die stone, this X-tra Hard Ivory colored resin stone was introduced as the
“Ultimate Die Stone”. It combines the tough/smooth properties of our resin stones with the surface
hardness of the strongest die materials available, without becoming brittle. This premium die stone allow
minimum expansion (Type 4) for extremely accurate models and dies. Ideal for precision implant cases
and small/thin preps, this “all purpose” die stone works well with any impression material – all without the
need for hardeners or debubblizers! Also available in Tan, Blue and a Type 5 formula.