... hardness 3high precision 4OEM accepted 5ISO9001:2008 certificate Molded powder metal parts for power tools in PM Features: 1High ... hedge trimmer etc. 2 Sintered GearsGears, Sprockets, Helical Gears, Bevel gears, Double Gears, Spur gear, Curved gear, Rack gear, Circular ... gear, Driving & driven gear, Medium gears, Planetary reducer gear, Planetary reducer gear parts, Ratchet wheel ...