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10Pcs/lot 25mm x 45mm BiConvex Lens for Google Cardboard DIY 3D Virtual Reality VR Glasses Ultra Clear Convex Len High Quality

Naxilai 1PCS 30MM 45MM 50MM Tube Transparent Plastic PC Tube Acrylic transparent Clear Polycarbonate Tube

304 Stainless Steel Elbow 180 Degree U-shape Elbow Exhaust Pipe Polishing Automatic Welding 19mm 25mm 32mm 38mm 45mm 51mm

PC tube plastic Thick wall Polycarbonate rigid pipe High transparency Wall thickness 3 4 5mm 10 15 20 25 30 35 40 45mm diameter

2 Pieces 3D Virtual Reality VR Lens BiConvex PMMA Lens Dia 34mm Focal length 45mm Double Convex Lens

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20mm 23mm 25mm 28mm 32mm 36mm 42mm 45mm 50mm 66mm PMMA Lens Zoom LED Flashlight lens Bicycle light lantern headlamp lenses

1Pcs Length 100mm 6061 Aluminium Alloy Tube OD 45mm 45.5mm Hollow Round Aluminum Tube ID 14/18/22/23.5/24/28/32-40mm