Home / Jewels, Balls, Tips and Industrial Parts Beyond Standard We are outperforming traditional finishing and assembly techniques. Quality control checks are performed at each stage of the production process by our highly qualified staff. Jewels - Balls - Tips - Industrial Parts Lapping Capabilities Diameters tolerances to ± 0.254 µm (0.00001µin)Surface finishes to Ra 0.00635µm (Ra 0.25 µin)Custom piston diameters from 0.38mm (0.015in) to larger than 50.8mm (2.00in) Grinding Capabilities Length tolerances to ±0.051mm (0.002in)Blended features and transitionsFrosted features Features Angled tipsChamfersBrushed radiiRelief features (grooves)Steps Ruby Balls: 5mm, 4mm & 3mm Sapphire Tips Industrial Piston Ferrule Assemblies with Jewels and Industrial Components Industrial Ceramic Rod 2.25″ x 6.750″ and smaller HIP Rod 0.158″ x 1.325″ Industrial Piston Assembly 0.125″ OD