These stackable Ringtop slim-line cones work as a multi-function device, tubular delineator post or channelizer device. Cones feature a large opening, ring-top carry handle with mounting hole for a warning light or sign. Cone shape allows stacking with bases for easy storage. Meets MUTCD standards and certified to meet the crashworthy test requirements of NCHRP-350. All sheeting complies with ASTM 4956.01 requirements.