High-quality material: The base is made of odorless and non-toxic PP, which can withstand low and high temperatures and has high wear resistance. In addition, this material has excellent UV and insect resistance. High load capacity: 18-30 mm infinitely adjustable height, can bear high load of at least 400-600 kg. Rapid Drainage: The even distance between surface boards or planks allows water to drain to the seal below. No puddles in your yard. space between panels allow for air exchange. Height Adjustment: Each stand can be adjusted to the desired height with a threaded ring. You can adjust the height of each base according to the surface. Easy to install, you can hide pipes and cables under the patio surface. Modifications can be made at any time since the board can be easily lifted. Wide range of applications: suitable for overhead installation of ground ribs such as patios, gardens, swimming pools, etc., suitable for WPC, stone, grid, polygonal (special-shaped) floor coverings, exhibition construction, roof insulation, etc.<br><br>size: 16.2 x 3cm Material: PP colour: black<br><br>Package Contents: 10 x Supporter<br><br>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.