Compare with common scaffolding caster wheels,our adjustable scaffolding caster wheels,can load more heavier weight.
Below photos is common model, swivel scaffolding casters with total lock.But you can find when press the brake,even if it lock both of wheel and direction. The wheel is still a swivel caster wheel. The wheel center are not on the line of mounting tube this off-Centre design cause the casters can not support scaffolding tower extra weight and not stable enough.
If you want to learn more scaffolding caster wheels, you can via www.ytcaster.com.