Rebound Driveway Marker . Spring based rod rebounds if hit by a car or plow. 48" tall fiberglass orange rod with 8" spike. Easily installs even in frozen ground and keeps marker in place all season. Flexible fiberglass rod on rugged stainless steel spring. Rod is wrapped in Reflecto-Max tape for high visibility. 48" H. x .25" diameter. 5 lb.