3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096 
Insize ISV-1H4177, RIGID BORESCOPE, 6.85″, 6928640323775
$1,288.76
Length 6.85″. View direction 70?.
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.
Related products
Welding Safety Equipment
$645.05
Measuring/ Inspection Instruments
$4,148.69