Reddit reviews XHF 1-1/2 inch (40mm) 3:1 Waterproof Heat Shrink Tubing Marine Grade Wire Cable Adhesive Lined Tube Insulation Seal Against Moisture Corrosion and Air Leakage, 4 Ft Clear
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[Safety and environmental protection] XHF dual wall shrink tube are UL and CSA certified, RoHS compliant, free of formaldehyde (HCHO), heavy metals and other harmful substances. Don't worry about it hurting your body and environment.[A wide range of applications] Shrink tube are mainly used for industrial, ship, wire links, anti-rust and anti-corrosion protection of solder joints, and audio and electrical DIY. Wire ends, harnesses, electronics protection and insulation treatment, fitness equipment parts and steel structure surface protection and so on.[The rubber liner has good sealing performance] XHF heat-shrinkable tube has the advantages of good electrical insulation, good sealing, corrosion resistance and high temperature resistance. Anti-aging, tough, not easy to break.[Easy and fast] You only need to heat it evenly with a hot air blower or a candle to make it shrink. It is a 3:1 heat shrink ratio and will shrink to the original 1/3.[Multiple Size Colors] We have three different colors: black, red and clear. There are 7 sizes: 12.7mm (13mm), 15mm, 19.1mm (19mm), 25.4mm, (25mm), 30mm, 39mm (40mm), 50mm.
Carbon rod. I joined the two pieces with a 3D-printed bushing around a ¼-20 stainless bolt, nesting into another 3D-printed bushing with a thermoset insert. This means that the staff can be broken down for storage or transport and that a camera can be mounted at half- or full-length.
LED strip.
This is the one that I used, but the radius of the rod is tight enough that the waterproofing rubber split and peeled off a bit. If I were making another one, I would go with the non-waterproof version. Either way, sheathing the whole pole in heat-shrink is probably a good move. I used this in 1-1/2 inch but smaller woul've worked.
To allow the staff to break in two and still work, I cut the strip and soldered on MT-30s via short wire leads. Worked great!
The camera is an insta360 One X. It's fine for what it is. Good for serious videography. The Samsung Gear 360 looks like a very nice, chesper alternative, and has video looping, so it'd be great in a "dashcam" role.