Internal sensor.
Resolution 0.1lbf. Accuracy ?0.3% (of load capacity ).
Push and pull test. Peak (max.) and tracking mode.
Units: lbf, ozf, mN, N, gf, kgf, Mpa (only for type B)
Low and high limits with judgement.
1000 memories. Automatic power off.
Metal case, touch buttons.

3M 15908, Scotch-Brite Roloc High Strength Disc, HS-DR, 2714175, A/O, Very Fine, TR, 3 in, 7010309326, 100 per case
Insize 9501-1200, COATING THICKNESS GAGE, probe type Fe, 0~50mils, 6928640394355
3M 65491, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5220TRI-10T, 5 IN x UH, 220, 7100202880, 10 per pack 