Hardwood Dolly Example SQ306 , USD4.95 FOB Qingdao China; (1)Widely used in harbour, especially effective when dealing with containers, boxes, cases, and cartons and so on; (2)Convenient to use and easy to handle, simply packed; (3)Basic characteristiiics as follows: 3.1-made of China Northern hardwood,. Never warp or shrinke; 3.2-Boards dealt with special machineries, quality reliabel; 3.3-environmentally friendly wood offers you a nice working surface. 3.4-Polylefin wheels better than rubber, resistant to chemicals erosion and dramastic temperature changes; 3.4-Compatible to other applications and capacity adjustable; Figures for your referrence 3.5-Size:12X30L dimension 3.6-3/4 kiln dry hardwood long rails 3.7-End rails designed for extra support 3.8-Carriage bolt countersunk below surface underneath carpet 3heavy duty polylefin casters or hard rubber casters for easy mobility 3.9-Loading capacity 1000-3000 lbs, shipping weight 14-15 lbs.