3M 13085, Wetordry Cloth Disc 281W, 8 in x NH, P, 7000045611 
Dynabrade 01438 Spring 
Insize ISF-S500-U, DIGITAL SPRING TESTERS, 112lbf, 6940561961362
$4,124.43
Resolution .01lbf
Range of digital scale 3.7″
Resolution of digital scale .0005″
Disk diameter 1.9″ DIA
Measuring range of force 5%~100% (maximum load)
Peak hold and automatic release function
Set upper and lower limits, red and green indicator and buzzer alarm
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