Internal sensor.
Resolution 0.5lbf. 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 27254, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 60 grit, 7100188460, 5 per pack 