Pro Micro Flex Borescopes can inspect inside even the smallest bores - in diameters down to 0.5mm, with 10,000 fibers, they offer incredible images in a tiny package
Single Lens Inspection Camera Housing & Automobile Maintenance - KENTFAITH
Borescopes / Remote Visual Inspection - Hawkeye Rigid Borescopes - Pro Rigid Borescopes - Hawkeye Pro Slim Rigid Borescopes (4.20mm) - NDT Supply.com
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Hawkeye Pro MicroFlex & Semi-Rigids
Flexible Micro Borescope Narrow diameter probe, Low Cost – Store Fiberscope.net
Hawkeye Pro Flexible Borescope
Classic Flexible Borescope (Fiberscope) for industrial use
Pro MicroFlex Flexible .020 - .059 dia. (0.5 - 1.5mm dia.)
Hawkeye® Pro MicroFlex Flexible Borescopes 0.5 - 1.5mm dia. (.020 - .059)
Borescopes / Remote Visual Inspection - Hawkeye Flexible Borescopes - Hawkeye Pro Flexible Borescopes (3.3-6.0mm) - NDT Supply.com
Optimax Pro Micro Flex Flexible Borescopes (Industrial Endoscopes)
Borescopes / Remote Visual Inspection - Hawkeye Rigid Borescopes - Pro Rigid Borescopes - Hawkeye Pro Slim Rigid Borescopes (4.20mm) - NDT Supply.com