plastic spur gears 1.material:POM,nylon,PA66,PP,PC . 2.Modulus:0.5-1.5 3.Tolerance:+/-0.01mm 4.certification:ISO9001:2008 plastic spur gears for toysWe can produce gears, worms,worm gears ,gear boxes, worm, worm wheel.Briefly description:Module:1.25Teeth:20/41Pressure angle :20 degreeDiameter:27.5/53.75Reference diameter:Ø25/Ø51.25Type:Double spur gearcolour: pom white colourcertification:ISO9001 ...