Fits 0.4 inch pipe: each greenhouse film clamp measures approx. 3.9 cm/ 1.53 inches in length, 10 mm/ 0.4 inch in diameter; Note: the clip is only suitable for 0.4 inch outer diameter pipe, not suitable for other sized pipe, please confirm the pipe diameter before purchasing Durable material: the film row cover netting tunnel hoop clip is made of PP plastic, the material has strong plastic structure, so it is durable and sturdy to use, featuring with strong fixed function and not easy to break, compared with stainless steel, it is not easy to rust and more resistant to rot, so you can use it for long time Package content: you will receive 40 pieces greenhouse clamps in the package, sufficient quantity to satisfy your daily usages and replacements for greenhouse needs; Note: the clip cannot be opened Practical design: the frame shading net rod clip has threaded design, the non-slip thread helps the spring buckle easily and does not slide when pressed it, the clamp is suitable for your garden, and you can adjust the clip position according to your requirements Wide application: this pipe netting greenhouse clip is suitable for greenhouse film, net to pipe, sun visors and more, it is also an ideal choice for building greenhouse, floor covering or other places if needed, so practical in our daily life