Used to attach residential 2x3 downspout (2x3 leader) to an exterior wall. Sturdy .027 guage aluminum. Aluminum alloy material, life than plastic products, more durable. The material is more environmentally friendly, in order to reduce plastic products and contribute to the global environment. Combined with expansion screws, the cassette can achieve the best stability effect and a higher safety factor. Easy to use, Just punch a hole in the fixed position, let the expansion screw insert first, and then fix downspout straps with screws Material: aluminium alloy colour: white Package Contents: 4 x Water Pipe Clamp 4 Set screw packs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.