crown pinion gear for slot car toy material: pom size:Module 0.5,tooth of number is 24T moq:3000pcs certification:ISO9001 crown pinion gear for slot car toymaterial: pomsize:Module 0.5,tooth of number is 26Tmoq:3000pcscertification:ISO1):Production machine:most advanced CNC manchine which imported from Japan 2):Precision/tolerance:0.001mm;3):Certificate: ISO9001:2008 4):Aplication:automotive, ...