... hardness 3high precision 4OEM/ODM accepted 5ISO9001:2008 certificate Grass cutting machine parts in powder metallurgy Features: 1High ... AssemblyClutch assemblies for chainsaw, lawn mower, brush cutter, hedge trimmer etc. 2 Sintered GearsGears, Sprockets, Helical Gears, Bevel gears ... parts for chainsaw, lawn mower, brush cutter, hedge trimmer, high sticks saw, wood working machine and other gardening ...