1)pressed steel stamping 2)right angle 3)ele-dip.yellow zinc plated 4) JIS standard 5) 48.6 X 48.6 mm 1)right angle ; fixed couplers2) size:48.6x48.6mm3) High precision metal stamping 4) surface: ele-electro galvanization, hot dip galvanization, self-coloured5) weight:0.67kg6)used for bracing and allowing tubes to be connected right angle fixed clamps(fixed and swivel clamp,fixed couplers,right ...