Z983A toolless tension lock is used for frame connecting, is compatible with 8.5mm groove beam extrusion, components for standard booth\ shell scheme\display booth \exhibition booth\pavilion group booth\trade show\back to back booth\fascia board\expo and liner booth, used in exhibition industry.The tension lock is made of aluminum shell and steel handle, which are high-quality material. It weights 0.05 kilograms. With the Z983A tension lock, it is toolless for you to install.There is no need to use wrench to install the extrusions, you just need to flip the handle for one or two seconds, the frame is fixed to the extrusions. The installation method of picture is sewing the fabric with silicon strip and insert into the frame.