It is a shelf support in showcase system. It is a separate component which can be used into the cabinets or showcases to support panels or glass. You can assemble it where there is a groove on the extrusions. It is flexible to assemble and is not time-consuming or labour-intensive. It weighs 0.008kg per each. Its size is 28.5*17*12mm. It is made of plastic and it is grey. It is simple to assemble, easy to disassemble and it is robust and durable. The products of LingTong are green and environmentally friendly. If there are some relative needs, LingTong will provide the best service for you in exhibition construction.