Resolution 0.01mm/.0005″, 0.001mm/0.00005″, 0.0005mm/.00002″.
Repeatability 0.5um. Measuring force 5-10N.
Flatness of measuring faces 0.3um. Parallelism of measuring faces 0.5um.
Ratchet stop
Non-rotating spindle, suitable for cylinders.
Quick measurement: one turn of sleeve or ratchet stop makes 2mm spindle feed.
Carbide measuring faces

3M 45179, Roloc Disc Pad TR, Medium 4 in 1/4-20 Internal, 7000045281
3M 45024, Diamond Grade DG3 Reflective Digital Sheeting 4083UDS, Fluorescent Yellow Green, 24 in x 50 yd, 1 Roll/Case, 7100282395
3M 28713 ROLOC DISC PAD TR, HARD 4 IN 5/8-11 INTERNAL, 7010298961
3M 05687, Hookit Sanding Block, 1-1/2 in X 2-5/8 in X 10-3/4 in, 7000119960 