Square Top Delineator Tube is versatile and tough with a built in multi function grip on top. The top of the Square Top Tube is designed to work with plastic chain, caution tape, to create a easy to assemble barrier and a hole allows a flasher light to be mounted. Choose from a 8 lbs., 12 lbs., or 18 lbs. recycled rubber base. Made in USA. Product is in stock and ships immediately.