ITEM NO YZTSJ8018 Material steel wheel material PP ITEM NO ZTSJ8018Material :steelwheel : 4 inch wheeltopnotch 11 intch highminimum: 4 intch highG , W 40.1 KGSG.W 38.1 KGSPACKING SIZE :130*50*17 CM1 pcs a cartonMAX LOAD :70 KGSfoldable . detachable easy to foldhigh hardness drywall panel lift capacity 68kgs