... 50-17.50 Production Capacity:50000pcs/month Aluminum climbing stairs trolley load(kg):60Six solid wheel:6"x1.5”Sody size(LXWXH)(mm ... trolley, handtruck etc. The size we can produce as follows:wheel barrow wb0401, wb0101, wb0200, wb1206, wb2204,wb3800,wb6400,wb6500, ... .PNEUMATIC RUBBER WHEELSOLID RUBBER WHEELPU FOAM WHEELWHEELBARROWHAND TROLLEY Aluminum Climbing stairs Hand Trolley/dolly/cart (HT4105)