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 ISR-CSE336, SURFACE ROUGHNESS SPECIMEN, 5pcs per set, 6928640376733
Standard Abrasives 840032, Quick Change Surface Conditioning FE Disc, A/O Medium, TSM, Maroon, 3/4 in, QS75KM, 7000046846, 50/case
3M 64802, Scotch-Brite EXL Unitized Mounted Point, B52 x 1/8 in 8S FIN, 3M 7100068025 