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 a 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. No puddles in your space. Space between panels allows 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, and 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, terraces, swimming pools, etc. Suitable for WPC, stone, grid, polygonal (special-shaped) floor coverings, exhibition construction, roof insulation, etc. Size: 16.2 x 3 cm Material: PP Color: Black Package contents: 10 x Supporter Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.