BF40(1.2m方型铝管,母孔) x4 BF45(1.2m方型铝管,公头) x16 FH20(耳朵式插片,带立柱杆) x2 FC15A (拐角) x2 FC15B (带螺母拐角) x2 A17 (螺栓) x2 SW-TB (安全线) x2 同样适用4’x4’,8’x8‘,12’x12’蝴蝶布框架