Precision vises Hardened precision vises for accurate measurements and machine operations. Accuracy (parallelism, flatness and Precision and universal sine vises squareness): Stable and accurate to fix in each angle ≤ 100 mm jaw opening = 0.005 mm, position (0 to 45°). > 100 mm jaw opening = 0.005 mm per 100 mm. Universal precision vise. With horizontally and vertically ground prism  With 360° rotatable base. in the moveable jaw. Accurate degree scale. Stable and accurate to fix in each angle position (0 to 45°).