Vevor Greenhouse Wiggle Wire Aluminum Alloy Spring Lock U-channel 6.56ft 20pcs20 PCS Spring Wire & U-ChannelAluminum Alloy MaterialPE Covered Wiggle WireEasy To InstallSturdy & StableWide ApplicationChannel Thickness: 1/16'/1.5MM,Channel Length: 6.5FT/2M,Lock Channel Material: Aluminum alloy,Spring Wire Length: 6.5FT/2M,Model: YMCT-2011,Channel Width: 1.25'/3.2CM,Quantity: 20pcs each,Wiggle Wire Material: PE and iron