Resolution .0001″/0.001mm.
IP54 dust/waterproof.
Buttons: on/off, set, inch/mm, ABS/INC.
Data output. LR44 battery, automatic power off.
Carbide measuring faces. Ratchet stop.
Supplied with extension rods.
Setting rings are included (except part no. 3128-12).

3M 55887, Rugged Comfort 6582 / 55887 Quick Latch Head Harness Assembly, System Component, 7000128252, 20 EA/Case
3M 14197, Roloc Disc Pad TP, Medium 2 in 1/4-20 Internal, 7000119311
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 45179, Roloc Disc Pad TR, Medium 4 in 1/4-20 Internal, 7000045281 