... ,caster wheel is very smooth and quiet 1,PLATFORM HAND TRUCK,150/300kgs2,the platform is plastic,3,handle is powder coating,4 ... size is 100mm/125mm6,size of platform,150KGS:LXW=730MMx490MM,300KGS:LXW=900x600MM7,net weitht of the trolley,150kgs:11kgs,300kgs:17kgs8 ... according to customers' sample.We can offer you the good quality and the best price.Our products is very popular in USA ...