... 1m, 2m or 3m...type: straight/tringle/layer/circleApplication: outdoor background, small span tent, truss boothSize and specifications: 30X30cm ... 1m, 2m or 3m type: straight, circleSafe span: 8mApplication: outdoor light truss, perfomance,fashion show ,exhibition, wedding, party, event ... following is our factory help our customer to install outdoor truss stage for Music show at TV tower: truss system/ ...