... portableG.W/N.W(kg): 6/4.85Saw Chain Step(mm): 66Saw Chain Thickness: 5.5mmGuide Board: 430mmCase packing: 800pcs/ ... engines, brush cutters, mist dusters, water pumps, hedge trimmers, chain saws, blowers,hand-push lawn mowers and other plant protection and ... And it also installs the most advanced emission testing equipment, gas composition testing instrument, wind blowing machine testing system, three ...