Fangrui Product Details This Product Is An Extension Cord Holder For Boxes, Which Is Easy To Install And Convenient For Storing Extension Cords. It Can Accommodate 50 Feet Of Extension Cords And Is An Ideal Extension Cord Holder. Made Of Heavy-duty, Tough Materials, It Is And Not Easy To Deform, And It Can Continue To Work . The Installation Is Very Simple, And There Are Different Installation Methods Depending On The Tool Kit Used. Just Take Out The Aluminum Rail From The Tool Box, Slide The Mounting Piece Onto The Aluminum Rail, Adjust The Position According To The Required Height, Reinstall The Aluminum Rail, And Use The Mounting Screws To Fix The Mounting Piece To The Desired Position. (note: Mounting Hardware Is Not Included In The Package) Wrap Your Extension Cords, Wires, Gas Pipes, Etc. In A Correct Position, The Extension Cord Does Not Need To Take Up Too Much Space, Keep It Clean And Tidy. When You Arrive At Work Address, There Is No Need To Untie The Rope. At The Same Time, You Can Also Avoid Yourself And Others With