18" OM1-1 - Yellow 9 Button Object Marker (also known as Case-1 Object Marker),
Diamond shape .080 Aluminum 18" x 18" with Amber /Yellow 9 Button reflectors
Used for hazard marker warning -Enamel Background ) . This item is a Qty of 1
MUTCD Description: OBJECT MARKER Type 1 -OM1-1 is shown as a yellow diamond shape with nine yellow circles denoting yellow retroreflectors mounted symmetrically in three diagonal rows on the marker.