BLUETEC Inside Micrometer 5–50mm Size:25–50mm, 0.01mm grad. (BD145 050) Specification item model symbol Specification Specification item model symbol Specification information With auto switch D With auto switch installation support B Basic type form N rubber cushion tube inner diameter 25 tube inner diameter 25mm cylinder stroke 50 50mm rod end screw rod end male thread Stroke adjustment symbol doesn't exist dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None rod end screw 2 rod end male thread rocking support bracket no metal fittings rod end bracket no metal fittings auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard EC 1901 Holder With Cutter head ①