VEVOR Spring Wire and Lock Channel, 2m Spring Lock & U-Channel Bundle for Greenhouse, 50 Packs PE Coated Spring Wire & Aluminum Alloy Channel, Plastic Poly Film or Shade Cloth Attachment with ScreProduct Features Aluminum Alloy Lock Channel The lock channel is made of aluminum alloy against rust and corrosion, which is sturdy and tough and can be adapted to different needs. Length: 6. 5FT 2M, Width: 1. 25" 3. 2CM, Height: 0. 5" 1. 3CM, Thickness: 1 16" 1. 5MM. Versatile Uses The lock channel and the wiggle wire are suitable for many types of greenhouses and can be used to fix plastic film or shade cloth, etc. You can use them to build