The K Series casters has all the features of heavy duty type: double ball bearing raceway, Zinc coating, steel bracket thickness is 5.5 mm. So the casters can withstand heavy load, however you should use the hard Nylon wheel on even or soft surface.

Can be used continuously in High temperature environment - up to 230°C and maximum at 260°C. Aluminum brake system instead of normal plastic brake one for longer life time. The wheel will roll easily thanks to the ball bearings.