VEVOR Lock Channel 50 Pcs 6.56 ft. Spring Lock and U-Channel Bundle Plastic Poly Film or Shade Cloth Attachment Silver

The VEVOR lock channel is made of aluminum alloy. And the spring wire adopts a superior iron core and PE cover which is sturdy and durable matching each other perfectly. They can fix the plastic tightly to resist the storm and keep the greenhouse warm having a wide application. Color: Silver.