1 steel truss: Strengthening square tube fixed truss - factory stock shelf - the best-selling stock to build the largest and most convenient trusses, Name: Strengthening square tube fixed truss model: 200 * 200, 250 * 250, Color: silver can also be customized on request processing. Finished Size: single length of 50cm, 100cm, 150cm, 160cm, 180cm, 200cm, 250cm, 280cm, 300cm conventional manufacturers shelf: 50cm, 100cm, 150cm, 160cm, 180cm, 200cm inventory 10,000 meters. Necessary accessories: no square head, 8 × 55 GB screws and matching washer (the product offer includes screws) :12-14 installation tool GB wrench (the product offer free tools), the product features: This economical and practical models, does not require square head, the lowest price, like building blocks can be assembled in any match, with square head set up using any length (even behind the decimal any length, such as 5.2 m, 5.4 m, 5.6 m, 5.8 m, and so can be completed .) Note: Price does not include shipping, packing charges and taxes, Packing: No packing (Current Price excluding packaging costs) required to be paid to play the appropriate packaging packaging costs, transport: National Highway logistics, distribution Railway Express Railway , logistics and car distribution