Metric sizes: DIN 3124/ISO 2725-1, ASME B 107.5M, E DIN EN 3709 (test loads), American sizes: ASME B 107.1, Fed. Spec. GGG-W-641, SAE AS 954-E (test loads), HPQ® high performance steel, chrome plated.
- Starrett chrome-acetate finish, prevents reflections and resists rust. - Advanced cylinder design, with scaled lines and distinct numerals, for accurate and easy reading. - Balanced design of the bow and barrel ensures easy handling and better legibility. - Knurled ring lock for fast and secure attachment. - Interchangeable resting tips. - Contact tips hardened to ±63HRC and microlapidated.