I recommend NOT hooking them on your hooks on the cannons. I used to do this with mine but the weight and movement will eventually break them. I now just either take them right off or pull them into the boat and rest them on the floor for short runs.
Sorry mrymar if that sounded rude. Its not ment to.
I would have to measure the PVC I used but in the 4" range . The weight sits inside the ring and actually touches the bar . Put a bead of silicone around the ring and they have been solid for 3 years . I even leave the weights in them if pulling from the ramp to a motel etc that is close .
Also good idea to drill a drain slot on bottom edge .
fwiw: three seasons (1000 hours) on our Mag 20's and we've never had a problem hanging 12 lbers on the hooks. Who knows, maybe we've just been lucky. I try and tighten them up every couple weeks.
You guys talk about hanging balls off the hooks I have trouble just trolling with the swivel bases. The cannon swivel bases tend to crack from the weight and sway of 4/5 footrers.The only good thing they replace them no questions at all .Just send in the pieces you have left and keep your boat insurance paid up.
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