3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case 
Insize VSP-201W, WIDE-ANGLE LENS CABLE, cable length 1200″, 6940561941333
$9,707.25
Diameter .94″
Angle of view 100?
Pixel 0.3M
Resolution 800_480
IP67 dust/waterproof
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