Featured with W shape spring design, the glass clip ensures secure glass panel fastening while being portable and in tight greenhouses space Engineered with antirust stainless steel construction, the multiuse clip maintain grip strength across seasonal temperature change and humid greenhouses environment Great for greenhouses owners, gardening enthusiasts, or professional greenhouses maintenance crews searching great hardware for structural integrity Use selected stainless steel, the 50 pack greenhouses glass clip with W spring clamps great durability and resistance for longlasting greenhouses reinforcement Perfect for securing glass panels in commercial greenhouses, home garden conservatories, or plant nurseries requiring weatherprevent fastening solution, Manufacturer: JDNH