Measure radius of external arc, arc angle of measured surface should be larger than 90?
Resolution .0005″/0.01mm
Buttons: on/off, set, inch/mm, preset (+, -)
Automatic power off, move the digital unit to turn on power
Battery CR2032, Data outputMade of stainless steel
Supplied with pin gage for zero setting

3M 33439, Cubitron II File Belt, 33439, 60+, 10 mm x 330 mm (3/8 in x 13 in), 7100033194, 10 belts per carton, 5 cartons per case
3M 26110, PPS Series 2.0 Adapter, Type S24, 1/4 Female, R-Angle 18
Thread NPS, Side Cup Mount, 7100135940
3M High Performance Flatback Tape 2519, Tan, 100 mm x 55 m, 8 Roll/Case, 7100243539
Insize 4808, WIRE GAGE, 0-36(.3249~.0050"), 6928640330155
3M 26022, PPS Series 2.0 Adapter, Type S12, 10 mm Male, 1.0 mm Thread, 7100135943
3M 45094, Roloc Disc Pad TR, Soft 2 in 1/4-20 Internal, 7000045278
3M 19892, Neoprene High Performance Contact Adhesive 1357, Gray-Green, 1 Quart Can, 7000046324, 12/case
Dynabrade 91165 1/2" W x 13" L 60 Grit A/O DynaCut Belt, 50/pack
Dynabrade 78587 1/4" Dia. x 2" W x 1/8" Center Hole, 60 Grit, 100/pack
3M 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330
3M 54141, Particulate Welding Respirator 8212, N95 with Faceseal, 7000002027, 80 EA/Case
3M 15041, Scotch Electrical Shielding Tape 24, 1 in x 15 ft (25 mm x 4,6 m), 7000031348
3M 94702, Cubitron ll Cloth Belt 947A, 120+ X-weight, 1/4 in x 24 in, Fabri-lok, Single-flex, 7100141686, 200 per case
3M 26054, PPS Series 2.0 Adapter, Type S18, 3/8 Female, 18 Thread NPS,
4 per case
3M 45098, Roloc Disc Pad TR, Soft 1-1/2 in 1/4-20 Internal, 7000045277 