#5 Rebar Survey Monument, 5/8" x 18" Establish durable survey monuments, property corners and reference points with this 18-inch #5 steel rebar . Its larger 5/8-inch diameter and ribbed steel construction provide a substantial marker for permanent and semi-permanent survey control and construction applications. Sold individually. Key Features #5 rebar measures 5/8" in diameter and 18" long. Ribbed steel construction provides strength and secure placement in the ground. Ideal for survey monuments, property corners, control points and construction marking . Accepts compatible 5/8" rebar survey caps for identification and monument marking.