Secures equipment, boxes and cargo so they cant roll around in your truck box. No tools needed, just twist to tighten or remove. Heavy-gauge, chrome-plated tubular steel bar has non-slip rubber end pads. Telescopes from 48 in. to 70 in. long. Fits pickups from mini to full size. Collapses to 36 in. for storage. Details and look may vary including color.