These are not super tough. The metal tube inside is thinner than a tin can. The seam is open all the way down, so is not reinforced in that manner. It cannot handle being hammered into hard ground. The do break or bend if the plants or nettings are whipped by strong winds. That said, this is the second batch we've purchased. These are the 1/2" x 5' stakes. Perhaps the larger diameter ones would be stronger, but they are twice as much. We've just accepted the long term breakage.

These 5' stakes are just ok. They are NOT heavy duty. The "steel core" is only thin wall tubing. Beverage can wall thinness. If bent too much, tubing will crimp and break. Be very careful hammering them in, especially if the ground is hard. Great for staking up flowers, but will not hold heavy plants like tomatoes, etc. I do not recommend for metal fencing. Will hold deer / bird netting ok. Nubs on stakes are small and do not hold up netting. Twist-ties will hold netting on, but stakes are slippery.