With transverse and longitudinal vials
Used as level and slope meter to measure the angle of two separate surfaces
Aluminum frame
Magnetic bottom
The sea level is permanently set inside the chip, zero setting is not needed when batteries are replaced
Buttons: ON/OFF, absolute and incremental measurement, keep the reading, buzzer alarm(not for 4910-400), unit (mm/m, %, in/ft), conversion(not for 4910-400), backlight
The display flips over when the bottom faces up

3M 10116, Synthetic Steel Wool Pads, 10116NA, #2 Medium, 2 in x 4 in, 7000047708
3M 71346, 675L, 1" X 120", 125u, Diamond Microfinishing Film Belts, 7010534823
Standard Abrasives 850034, Unitized Wheel Steel Screw Mandrel, 7/8 in x 1/4 in Shank, 7000121879
Insize ISY-600-800023, CLIP STAND, 6940561980523
3M 10119, Synthetic Steel Wool Pad 10119NA, 0000 Super Fine, 7000126181
Dynabrade 97570 1/2" NPT Female Safety Coupler
3M 10118, Synthetic Steel Wool Pads, 10118NA, #0 Fine, 7000126148
Dynabrade 02084 Angle Housing Assembly,Steel, Rear Exhaust
3M 06524, Scotch Steel Gray Masking Paper, 06524, 24 in x 1000 ft, 1 per case, 7000045442
3M 87429, Final Finishing Pads 10199NA4PK, 3 3/4 in x 6 in x 5/8 in, Replaces 0000 Steel Wool, 7100096075, 4 pads per pack
Standard Abrasives 875008, Buff and Blend Flap Brush, 6 in x 1 in x 2 in FB089 15-87 A VFN Hard Density, 7010290281 