3M 10204, Drywall Sanding Sheet, 100 Grit, 4-3/16 in x 11-1/4 in, 7100017269 
Insize ISV-1H4303, RIGID BORESCOPE, 11.89″, 6928640323805
$2,592.08
Length 11.89″. View direction 30?.
Diameter .16″. Angle of view ?60?.
Focus distance .08″, depth of view .2~4″.
Dust/waterproof level: IP67. Can be used in the liquid with temperature -14?F~185?F.
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