Roller Material:PU 4 Lights(red,yellow blue and green) Bearing :ABEC 5 G. W:30.5KGS Accessories:1Carrybag,1 Screwdriver Roller Material:PU 4 Lights(red,yellow blue and green)Bearing :ABEC 5G. W:30.5KGSAccessories:1Carrybag,1 ScrewdriverPCS/CTN:40setsshelf materialABS plasticN.W:29kgs Carton Meas:50*44*38cm 1*20FT:13320PAIR/333CTNS1*40'HQ:32360PAIR/809CTNS