Quick Details Place of Origin: Guangdong, China (Mainland) Brand Name: RK Model Number: RK-SQ29 Size: 290*290mm Main tube: 50*3mm Brace Tube: 20*2mm Length: 0.5-4m Material: Aluminum Alloy 6082-T6 Connection: Spigot Connector Weight: 5.3 KG - 21.3 KG Quality guarantee: 2 years Certificate: TUV, CE Application: For stage,concert,dancing,fashion show and so on Feature of the truss: 1.non-rust,firepoof,hardwearing,light weight ,high load capacity. 2.eco-friendly,recycle,good at decoration,muli-function. 3.easy to set up and remove,transport and stock. 4.16 degree high hardness,strong structure. Aluminum Truss Roof system: *functional & fashion stage truss system; *long-span dj lighting truss system; *lightweight custom design truss system; *search products: Popular & fashion stage Truss; *search products: long-span stage Truss; *search products: lightweight truss Aluminum truss installment advice: ***Span: 1-12m*** If the span of beam is less than 12m you can use 300mm*300mm truss ***Span:12-16m*** If the span of beam is within 12m to 16m you can use 400mm*400mm truss ***Span:16-20m*** If the span of beam is within 16m to 20m you can use 500mm*500mm truss ***Span: more than 20m*** If the span of beam is more than 20m you can use 760mm*600mm truss ***Functions: Banquets, Wedding hall, Exhibition, Ceremony, Outdoor Activities and Concert, Theatre, Entertainment, DJ Performance, Display, Worship, Education, Athletics, Trade, Touring, Marketing, Presentation Stage, Live event, Film & TV Studio and Podium, etc.