Version From 0.05-0.30 mm rising by 0.05 mm and rising by 0.10 mm from 0.40-1.00 mm. Cylindrical blade shape, 13 mm wide. Loose, joined by a ring. Interchangeable. Dimensions in mm and inch on each gauge blade. Used to adjust the valve clearance in inaccessible areas, etc. Quality Hardened spring steel. Technical data: Number of sheets pieces: 13 from - to mm: 0,05 - 1,00 from - to inch:. 002 -. 040 Blade length mm: 200