Resolution: .0005″/0.01mm.
Measure groove diameter.
Buttons: on/off, set, inch/mm, preset (+, -).
Automatic power off, move the digital unit to turn on power.
Battery CR2032. Data output.
Made of stainless steel.
Optional accessory: depth stop (part no. 6143), data output cable

Insize 3533-25E, DIGITAL SPLINE MICROMETER, 0-1"/0-25mm, type A, 6928640355837
Standard Abrasives 710130, A/O Tapered Cone Point, C-30 120, 7100116601, 100 per case 