1.steel spline gear shaft for car gearbox 2.Standard: ASTM, AISI, BS, DIN, JIS, ... NF 3.100%QC Detail Feature: steel spline gear shaft for car gearbox Product Name: steel gear shaftMaterials: grey iron ... ): vernier caliper, depth caliper, micrometer, depth micrometer, raius caliper, digital caliper, digital depth caliper, ID micrometer, OD micrometer, multiple use angle mearuring ...