Not bad but but will need serious alteration to use with castors

Bought the leg stand with my 330mm thicknesses, about 2 yrs ago. The planer works very well but I couldn't say the same for the leg stand. Not easy to drag around, using the supplied rubber feet, so I recently got a set of 50mm castor wheels. The hole at the bottom of the legs, accepted the castor bolt ok. Upon pushing the machine back into position, all 4 of the metal feet-retainers, bent over. Problem is, the sheet metal leg stand is just too light for the purpose. There is no vibration while the thicknesser is in use but to use it with wheels, there will need to be some serious stiffening carried out, of the leg stand. Needs to be more heavy duty