... 3.Factory price 4.Custom size Precision stainless steel spring machinery part For required tolerance, we will produce ... price. 1.Item name:Precision stainless steel spring machinery part 2.Specification:Spring machinery part can be produced as per ... , vernier caliper ,caliper(digital),caliper(machine),caliper(dial),diameter scale, depth micrometer, digital caliper, altitude gauge, electric balance), ...