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 98302, All Weather Flashing Tape 8067, Tan, Non-Slit Liner, 2 In x 75 Ft, 24/Case, 7000049773
3M 87486, Cloth Belt 341D, 40 X-weight, 9 in x 20 in, Fabri-lok, Single-flex, 7010360532, 20 per case
3M 76523, Cloth Belt 777F, 50 YF-weight, 2 in x 72 in, Film-lok, Single-flex, 7000118456, 50 per case
3M 45718, Cubitron II Hookit Cloth Disc 947A, 120+ X-weight, 5 in x NH, D/F 5HL, Die 500FH, 7100113075
3M 94724, Cubitron ll Cloth Belt 947A, 60+ X-weight, 2 in x 72 in, Film-lok, Single-flex, , 7100035127, 50 per case
3M 45710, Cubitron II Hookit Cloth Disc 947A, 120+ X-weight, 6 in x NH, Die 600Z, 7100113139
Dynabrade 92210 1/8" W x 12" L 320 Grit A/O DynaCut Belt, 50/pack
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
3M 26022, PPS Series 2.0 Adapter, Type S12, 10 mm Male, 1.0 mm Thread, 7100135943
3M 33446, Cubitron II File Belt, 80+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033186, 10 belts per carton, 5 cartons per case 