Lingtong Fast System contains three kinds of frames: 40mm, 60mm, 80mm. Frames are connected by a toolless lock, and the skin can be LED, SEG fabric, or 3mm panel. It is widely used in standard booths and customized booths. Due to the convenience of the connection between the frames, it can be easily and quickly constructed, and the skin can be changed easily. LTFS80-41 Hammered Screw is used for connecting frame with frame connecting frame with extrusion. The weight is 0.200kg. The main material is steel.