BENTISM Greenhouse Wiggle Wire Aluminum Alloy Spring Lock U-Channel 6.56ft 20PCS

The 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. 20 PCS Spring Wire & U-Channel. Different from the similar products of other sellers . our lock channel is made of aluminum alloy . which has the advantages of sturdiness . toughness . corrosion resistance . and rust resistance.The core of the spring wire is made of special iron . not easy to deform and break . and can firmly fix the plastic.