This 45 degrees corner connecting extrusion is suitable for 100mm square extrusion, It has two applications, one is that it can be used for 45 degrees connection, the other is for 135 degrees connection. This aluminum profile has 3 system grooves, and the groove width is 4.3mm. By using this aluminum connecting post, many special-shaped booths can be realized easily. Lingtong’s products are all reusable and non-polluting, to realize our vision: Bring Environmental-friendly Exhibition System Into Every Expo Space. The quality of all LT materials comply with German standards, it is well accepted by European and USA customers.