c180pilot wrote:4 x 4 cut in two on the diagonal. Eye bolt in each one and tie two together to make one side. Super cheap and weigh almost nothing. I've had the ones I'm using for probably 30 years now.

Wayne

Ditto,

Plenty of reinventing the wheel ideas out there to make people side cash. Wood chocks doesn’t make that annoying clacking dinner bell sounds and puncture marks in the baggage compartment. Plus if your in a bind and have to leave them on the ramp for some reason (wind, slope), the extra set that you made sitting on the shelf is a cheap replacement.