EMJ Ladder Roof Hook Item:EMJS0406 Material:Aluminium 1 pairs including 2 pcs hook and 2 wheels 1 paris packed per carton N.W/G.W:2.25kg/2.85kgs Packing:1 pcs/carton.carton size:102/107x45/12x13=0.03M3 quantity:20ft/40hq:792/1850 pcs