[Non-slip and Adjustable Spring]: These deck plugs are designed in a herringbone pattern, and the design with the lower double hook creates better stability and prevents the plugs from falling or twisting due to tent shaking. The telescopic shape of the spring can be adapted to boards of different thicknesses. Easy installation: Carabiner in the shape of an attaché, which is convenient for attaching the tent to the herringbone bridge plugs. The installation method is very simple. Just insert it into the crack and rotate it to fix it. Binding with D-shaped and tent-shaped carabiner. [Wide range of applications]: It can be used to install and fix tents and awnings on terraces or wooden planks during outdoor camping or in gardens and on balconies. ; package: package: package: package: package: package 10 black herringbone hooks with carabiner. Sufficient quantity to meet your needs. Please confirm the size before ordering. Note: All data are measured manually, please allow an error of 1 to 3 cm due to differences in light and display, there may be color differences, please refer to the actual item received.