Plastic film lock wire used to fasten the poly film to the greenhouse framework and prevent film from being damaged by wind. Plastic film lock wire used to fasten the poly film to the greenhouse framework and prevent film from being damaged by wind. Wire for lock deviceItemsMaterialDiameterLengthPackingPlastic Coated WirePlastic Coated Steel2.5mm1.9m500pcs into a carton Plastic film lock wire
[China Manufacturers]