Resolution .00005″/0.001mm.
Non-rotating spindle.
Button function: on/off, set, inch/mm, ABS/INC.
Data output. LR44 battery, automatic power off.
Ratchet stop.
Supplied with 7 pairs of anvil/spindle tip (same as series 3280).
Setting standards are included (except 0-1″/0-25mm).

3M 65491, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5220TRI-10I, 5 inch UH, 220, 7100202878, 10 per pack
3M 27255, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 320 grit, 7100188452, 5 per pack
Dynabrade 95746 3/8" NPT Speed Regulator
Dynabrade 94960 1/4" Composite-Style Coupler, 1/4" Female
Standard Abrasives 702309, A/O Straight Cartridge Roll, 1/4 in x 1 in x 1/8 in 240, 7100080029
3M 00688, Dynatron Fiberglass Mat, 8 sq ft, 7000125088
3M 33443, Cubitron II File Belt, 36+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033184, 10 belts per carton, 5 cartons per case 