Jackson Safety Small Radius Marker with 20" Radius, Heavy Duty Friction Joints, 14781Design: Built with an effective, yet convenient design, the arms of the marker are precisely aligned with spring tension joints to guarantee accuracy and skillMaterial: Made with an anodized rust proof aluminum, for lasting protection, this lightweight product has heavy duty friction joints to maintain rigidity and precisionFeatures: This Small Radius Marker provides up to 20" in radius and comes included with a soapstone crayon, giving users the option to accommodate flat or round soapstone and pencilsCountry of origin: China