CZT-140MB Premium Grade Black Matte Surface CablZone Cloth Duct Tape has a matte surface and is used to manage cables, cords & wires and avoid accidental tripping and unplugging in warehouses, convention centers, theatres, etc. The center length on the adhesive side of the tape has a plastic coating which creates an adhesive-free zone or channel for cables so they do not get gummy with adhesive residue. Often called tunnel tape. Removes cleanly from most surfaces. Hand-tearable.