"The patented Hellermann-Tyton® High Impact Dual Clamp Cable Tie features a dual head located at the center of the strap. With a one piece design dual head, the cable tie is capable of wrapping two separated bundles. The dual cable tie wrap provides parallel spacing between hoses, wires, cables, or tubing."... Click here for more info on "Dual Clamp Cable Ties, Black, 12.9 length , Qty 50".