Internal sensor.
Resolution 0.001lbf. 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 27255, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 320 grit, 7100188452, 5 per pack
Dynabrade 15003 Mini-Dynafile II Abrasive Belt Tool
3M 65491, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5220TRI-10I, 5 inch UH, 220, 7100202878, 10 per pack
Dynabrade 40320 Dynafile II Abrasive Belt Tool 