Stone Master Molds Rubber Molds for Concrete, Keystone Mold, 12" L x 7.75-4.75" W x 2.5" D
Stone Master Molds keystone mold creates a keystone with a chiseled stone texture on the front and smooth sides. Each keystone is 12" long, 7.75" wide at the top, 4.75" wide at the bottom, and 2.5" thick. You can pour it thinner, as desired. Save money and create your own custom color using our professional quality rubber keystone mold that can be used for hundreds of pours. No need for a release agent.