12-in Black Velcro Cable Ties - 20 Pieces Velcro Cable Ties offer a unique back-to-back fastening system: a self-gripping, double-sided strap that is easy to use and cost effective. They feature a molded high performance polyethylene hook fastener laminated on to a non-woven polyester loop. The low peel strength allows for easy entry or removal by the user yet the average shear strength is 3.0 psi, which increases substantially with each circular rotation. Will not over-cinch delicate cable and fiber optics. For use with cord and cable management, wire harnesses, inventory control, fibre optics, packaging, in-plant maintenance, etc. Allow for a minimum 2" overlap when installing.