It is mainly used to fix the greenhouse film, shade net, insect net and other joints with the greenhouse steel . These are compatible with many types of , and suit for 19-20mm . Great application for greenhouses, row covers, shelters, bird protection, dog beds, and quilting frames. High elasticity, sun protection and anti-aging corrosion resistant. Made with ABS+PC alloy material and has the characteristics of high strength, good toughness., Weight: 0.18077905484 pounds, Manufacturer: Yardwe