Resolution 0.001mm/0.0001″ (resolution of 3506-100A and 3506-150A is 0.001mm/0.00005″).
IP65 dust/waterproof.
Button function: on/off, set, mm/inch, ABS/INC, data output.
LR44 battery, automatic power off. Ratchet stop.
Carbide measuring faces.
Supplied with setting standards.
Optional accessory: data output cable (code 7315-30, 7302-30).

3M 45016, Diamond Grade DG3 Reflective Digital Sheeting 4091UDS,Yellow, 36 in x 50 yd, 1 Roll/Case, 7100282696
3M 45099, Roloc Disc Pad TR, Medium 1-1/2 in 1/4-20 Internal, 7000045280 