Greenhouse U Channel Lock

6.5 ft Long Aluminum Lock Channel for Greenhouse Covering Attachment Features 6.5 ft of long lasting, rust and maintenance-free aluminum alloy Offers a superior connection for your greenhouse’s covering Easily holds greenhouse plastic or shade cloth up to 20 mil thick Mounts to all wood or steel structures; pre-drilling or self-tapping screws recommended 1⅛" Wide, ½" High, 1/16" thick profile, inside of channel is 1⅛". Spring Wire and screws not included. When you build a greenhouse, you’re making an investment in your future as a commercial or hobbyist farmer. Using this durable and affordable lock channel in that greenhouse’s construction will ensure that it lasts for years to come in even the harshest environments. What’s more, this lock channel for spring wire can help prevent greenhouse plastic tearing that commonly occurs during or after greenhouse installation, which is but one of the many ways in which they help to protect your investment. The flexibility of this lock channe