Clevis Knuckle - 1 13/16" Pin Hole | AGRISTORE USA
Megapixel M12X0.5 Board Lens Pinhole Camera Lens Optical Lens E. F. L. =2.1mm 1/4" Image Format for 1/4" Sensor Industrial Sport Security Camera Lens - China Lens and Optics Lens price
M6.5 EFL 3.6mm pinhole lens for mobile phone camera 5MP micropore 8*8mm holder 1/4" camara facial reader M6 QR code scanner lens|CCTV Parts| - AliExpress
0.05mm Laserdrilled Pinhole Large 1 3/4" holder for telescope foucault tester | eBay
HD-TVI Specialty: 4-in-1 (CVI, TVI, AHD, Analog) 1080p Motion Detector Camera with 48 IR(150ft) , 3.7mm Pinhole Lens - White - HD All-in-One Solutions
Replacement T-pin for hole punch, nickel-plated steel, (1) 2-3/8x1-1/8x1/4 inch T-shaped 1.5mm pin and (1) 2-3/8x1-1/8x1/4 inch T-shaped 2mm pin. Sold per pkg of 2. - Fire Mountain Gems and Beads
Bright Nickel 5 mm Pin Angled Shelf Support with 3/4" Arm and Diamond Hole -Priced and Sold by the Thousand
Amazon.com: HDView Hidden Camera Mini Pinhole Spy Camera, 2.4MP 4-in-1 (TVI/AHD/CVI/960H), 3.7mm Pinhole Lens HD 1080P, Indoor, Hide Behind Wall : Electronics