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

Dynabrade 92743 2" W x 150' L 3 Micron A/O Lapping Film DynaCut Roll
Dynabrade 15420 Dynafile III Abrasive Belt Tool
Dynabrade 15101 Tension Arm (for Mini Dynafile II)
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
Dynabrade 92765 3" W x 50' L 15 Micron, Diamond Lapping Film DynaCut Roll
Dynabrade 51415 7 Degree Offset Mini-Dynorbital Random Orbital Sander Versatility Kit
Dynabrade 52289 .7 hp 7 Degree Offset Die Grinder, Front Exhaust, Short Shank, 18,000 RPM, 1/4" Collet
Insize 0210-G260, INFRARED THERMOMETER (BASIC TYPE), -22 ?F~500?F/-30?C~260?C, 6974029773310
Standard Abrasives 840400, Quick Change Felt Polishing Disc, TSM, 3 in, 7000047161
Dynabrade 67200 Utility Arm, 2" Dia. x 1", 70 Duro Serrated Urethane
3M 16583, Accuspray Atomizing Head, Green, 1.3 mm, 7010309279
3M 14588, Scotch-Brite Roloc+ Cut and Polish Flap Brush, 3 in x 1-3/8 in, A MED, 7100088221 