... ISO9001:2000 Produce according to drawing European nonstandard Plastic pinion gear setSpecifications:1) Suitable for various automotive, electronic, ... roundness meter, projector meter, microscope, gear-test meter, surface measuring meter and so on4) Precision/tolerance:0.0001mm5) ... Copper and Aluminum, and so on, with an output of over 1 million pieces per month. nonstandard Plastic pinion gear set ...