Through trial and error, I found that this caster is perfect for all of my industrial and scientific needs. These casters are sturdy, easily maneuverable, and have a great weight capacity. I have been using them for several months now and have not had any issues with them. The only downside is that they are a bit pricey compared to some other options on the market. However, the quality of these casters is well worth the investment. Overall, I highly recommend these casters for anyone in need of reliable and durable material handling products.