The Bora Centipede Risers elevate your work surface to the height you need, whether you're using it as a sawhorse or a site bench for plans or meetings. Increased height does not decrease load capacity. Adds 6 In. to workstation. Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go towww.P65Warnings.ca.gov/wood. -