Abstract: The specification discloses a device and method for marking the position of and for protecting an inground object such as a sprinkler head including a hollow, open-ended tubular member which is adapted to be placed around the object and inserted into the ground. An outwardly directed ring which includes a depending lip is formed integral with and adjacent the upper end of the member. The ring stabilizes the device and limits the depth of insertion of the tubular member. The method also comprises including indicia on a portion of said member when it is used on a golf course for indicating the distance to the flag stick and hole on a green from the location of the member.