Serving the Industrial Metrology market for over 15 years, itpstyli offers the most comprehensive range of styli and accessories for all probe systems. Thread sizes M2 through M8 for coordinate measuring machines (CMM), machine tool probes, and gear measurement systems. Best Price Since our founding in 2003, we price to be 5% lower than the lowest, without compromising quality and service. Best Quality Simply stated, if you dont agree well provide a full refund; but please browse further to learn more about our manufacturing quality, materials, and designs. Best Service Styli & accessories are our only focus; knowledge, experience, technology and outstanding people make the difference.