... ,Reducing friction,prolong service life.4.Size:Dia.520mm,T16mm,18.5mm total tall5.Weight:2.256kg/pc 6.Finish:Bright Silver ... .Load Rating:400kg8.Packing:10pcs/ctnOther size:Dia.600mm,T16mm,18.5mm total tall,Load Rating:500kg 520mm Diameter Aluminum Turntable & Aluminum ...