To attach climbing frames for climbing plants. Also suitable for making bamboo structures. Binding method: place the ring around the "vertical" stick, position the "horizontal" stick on the "vertical" stick, and fasten the clamp behind the "vertical" stick. The bamboo clamps are made of galvanized steel coated with a special galvanized aluminum compound that protects against corrosion. Sold in packs of 25 Fits bamboo sticks 75 cm and 90 cm