Top manufacturer of steel plank in china, 1 rivet& side cover 2 flats& flared holes 3 hooks (hangar bracket) 4 lengths&mater Sizes immediate available 295*90*20*15*1.8/1.5 us style 228.6*63.5*20.5*14.5*1.6 230*60*25*10*1.8 australia style 240*45*15*15*1.0 228*63.5*25*12.7*2 210*45*20*15*1.2 european styles.