Specify driveway boundaries and hidden hazards with this marker. This marker is a 36” (91.4 cm) long metal rod with a 3-1/4” (8.26 cm) diameter. The top of the rod is made from water-proof plastic to withstand harsh weather conditions. It is double faced and reflective to be able to easily spot both during the day and at night. This visual cue will help make driving safer and easier.