I had this system for storing my leveling boards, also use them for wood under the bottle jack when needed.
I screwed the pipe flange to the trailer tongue side, clipped the ends with that bail clip and it travelled well. Then inserted some stainless studs to stack the boards, so they wouldn't move when I ran the tire up on them. I will hang them in the front compartment on a wall on the Monte.
The other blocks were made by screwing and gluing CCA 2x4's, I inserted a web belt to carry and retrieve them, We had 5 on the Travel trailer.
Ozz
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'07 3400RL 2nd RTU
2 Golf Cart batteries 3,000 watt inverter, automatic transfer switch
Honda 2000 Generator, Maytag's with 220 Dryer
Stationary domed Sat. dish, LCD 12 Volt Amp gauge, LCD Tank Monitor
3 added 120 volt outlets, On Board Air; 12 Volt Viair 450C compressor
2006 Ford PSD 4x4 Off Road Lariat, Hadley Air Horns, Truck inverter with 110 volts: laptop, Color Backup camera, Firestone air bags,Husky air ride roller hitch, Awning lock