Vernier Caliper with black lines, high quality with very competitive price! GB standard! Vernier Caliper with black lines, high quality with very competitive price! GB standard! ... Four-way measurement (inside, outside, depth and step measuring) With fine-adjustment Range: 0-150mm/6", 0-200mm/8", 0 ... : 0.02mm, 0.05mm, 1/1000", 1/128"According with GB/T1214.2 standard Products can be provided at clients ...