... °, 120°, 125°, 130°, 135°, 140° Application: The stylus can use forHell engraving machine kinds like K303. K304, K405, K5, K50, ... natural diamond with high purity diamond for stylus tips, which make sure the stable cell geometric and reproducible printing ... the stylus tip position within place where is expectancy even after re-installed several times. Engraving stylus for MDC engraving machine