This 125mm extra heavy duty castors made of a heavy duty pressed steel zinc plated, housing a polyurethane wheel on an aluminium centre. This swivel castor wheel runs on ball journal bearings, making heavier loads easier to move. These castors are suitable for a range of heavy duty applications, carrying 500kgs each castor, overall height 164mm, 4 x M10 Bolt Fixing Plate. Combine 4 of these heavy duty casters to carry 1.5 tonnes! Electro conductive version available, please contact the sales team.