Stacker Cones are 42" tall and are in the driver's line of sight. They're prefect for alerting motorists of upcoming hazards, lane changes, construction zones and more. Stacker Cones are designed with slotted handles which are ideal for threading caution tape and for easy transportation and placement. They weigh 3 pounds and are 42" H x 9.8" W. Stacker Cones are easily stackable for space-saving storage. Yellow cones with blue and green collars are available (call for details). Stack Cones are NCHRP-350 Accepted and meet MUTCD Standards.