Conforms to Ontario standard for TC-52 delineators. Tube portion is designed to separate from the base in case of collision with little or no damage to vehicle. Tube actually pastes itself to the front of the vehicle. Avoids potentially fatal injuries that could result from delineator flying through the air and striking workers or other vehicles. Manufactured of recycled plastic. 47" high black delineator comes with sand-fillable base and five 4" high intensity grade reflective stripes. Base slips over the tube and is easily filled with sand ballast through 2" opening. Stackable for easy transport to job site. Unit will accommodate optional barricade flasher Model No. SC158