S905 Upright Extrusion Bolt is used to connect S100 and S100, the diameter of S100 is 8.7mm. It is made of steel and weighs 0.036 kilograms, it has thread at one side,which is useful to hold the upright extrusion firmly at place. All of our accessories are easy to install. Thanks to full ranges of accessories, Standard System is able to realize various functional and advanced designs and is easy to install, dismantle, transport and store. The most classic solution, yet still universal in countless scenarios, for standard booth\ shell scheme\display booth \exhibition booth\pavilion group booth\trade show\back to back booth\fascia board\expo and liner booth, widely used in exhibition industry.