... hardness 3high precision 4OEM/ODM accepted 5ISO9001:2008 certificate Grass cutter spare parts for garden tools Features: 1High density ... 1 Clutch AssemblyClutch assemblies for chainsaw, lawn mower, brush cutter, hedge trimmer etc. 2 Sintered GearsGears, Sprockets, Helical Gears ... tool partsGarden Tool parts for chainsaw, lawn mower, brush cutter, hedge trimmer, high sticks saw, wood working machine ...