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Upgraded thumb screw allows you to attach your monocular or night vision device to your J arm. Most J arms come with flathead screws and require a screwdriver. This upgraded thumb screw allows you to attach your device to a J arm with ease. 

Style 1 Upgraded 1/4-20 Thumb Screw, attach monocular to J arm

SKU: ONUSA1/4-20Style1
$4.99Price
Quantity
  • Included with purchase:

    • One 1/4-20 aluminum thumb screw 

    Anything else pictured is NOT included, but for demonstration. 

    Weight: 

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