1,Material:zinc alloy+ABS 2,Size:66*60*37mm 3,Weight:80.5g 4,Passed:ISO9001:2008 1.Wheel: PP or Nylon 2.Packing: blister card, color box(every packing is ok) NameMulti-function TruckleItem No.25016WheelPP or nylon (different color available)Bearingroller bearing more than 50mm; plain bearing below 50mm; stainlessPackingblister card, color box(every packing is ok) truckl ,caster wheels