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 45021, Diamond Grade DG3 Reflective Digital Sheeting 4081UDS, Fluorescent Yellow, 24 in x 50 yd, 1 Roll/Case, 7100282401
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
3M 28848, Unitized Wheel Mandrel 28848, 1-5/8 in x 1/4 in x 3/4 in x 1/4 in, 7100082547
Standard Abrasives 713159, Aluminum Oxide Handy Roll, P120 J-weight, 1-1/2 in x 50 yd, 7010290409
Dynabrade 22070 Downdraft Table Accessory Pack (Air Manifold, FRL and On/Off Air Valve)
Standard Abrasives 42602, A/O Flap Wheel 615108, 3 in x 1/2 in x 1/4 in 120, 7100043321, 10 per case
Dynabrade 91429 1/2" W x 12" L 80 Grit A/O DynaCut Belt, 50/pack
Norton 66623335427, 2" Dia Vortex Rapid Prep Quick-Change Non-Woven Abrasive Disc, Medium Grade, 50 Each
Standard Abrasives 711436, A/O Tapered Cone Point, C-30 60, 7100151144, 100 per case
Standard Abrasives 42692, A/O Flexible Flap Wheel 615128, 3 in x 1/2 in x 1/4 in 120, 7010310504, 10 per case
Dynabrade 15360 Dynafile III Abrasive Belt Machine for 24" Belts
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
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
3M 22405, Roloc Disc 361F, P100 YF-weight, TR, 3 in, Die R300V, 7000045102
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505 