Amazing Drapery Hardware Our eCRATER Store About Us Contact Us Add to Favorite Sellers 1 QTY: Universal Cord Tension Device - White $15.99 Sure-Shade Universal Drive Tension Device Universal design compatible with continuous cord loops and bead chain loops, even works with chain loop connector.Complies with 2010 ANSI shade safety standards.Must be installed correctly or renders shade partially inoperable.Required on shades, traversing panels, any window treatment with a drive cord or chain loop.Independently tested and approved.Includes inside and outside mount bracket, instructions and necessary screws. Patent pending. Sold by the piece. Find this and much more, at our eCRATER store, Amazing Drapery Hardware. .WORRIED THESE ARE RIGHT FOR YOU? NO PROBLEM!We accept returns on all our parts within 14 days for a full refund.ANDWe are also here to help you through your ordering process. AND We are still here to help with any questions you may have about your installation once you receive your parts and get to work.QUESTIONS??? EMAIL US We have years of window treatment experience, WE CAN HELP!.