Rubber Strips for making Moulds

•These are specifically designed for use on smaller more delicate jobs, the force of a large flame torch that otherwise would displace the material and interfere with the effectiveness. •Made from fine reflective soldering carbide, reflective grain, odourless and reusable. •Non-contaminating and ideal for use with nonferrous metals •Pack of 900 gms / 32 oz / 2 pounds