2 pieces so arm swivels allowing cans to move smoothly without binding around curves Simply hook 1 end to the front lift handle of the first can and the handle of the second, repeat for joining more cans in a chain Heavy 11-gauge steel construction, laser-cut, formed for consistent quality then powder coated in a black finish for durability Fully assembled, can couplers come with 2 quick fastening PTO clips to secure the 2 cans together Quantity:2PCS Colour:Black Material:Metal Size:About 19cm long Package Contents: 2 * Can Couplers to Hook Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.