These 160mm extra heavy duty fixed castors are made of a heavy duty pressed steel zinc plated, housing a polyurethane wheel mounted on an aluminium centre. This 6 fixed castor wheel runs on ball journal bearings, making the heavier loads easier to move. These castors are suitable for a range of heavy duty applications. Load capacity per fixed castors is 700kgs making a combination of 4 castors able to carry over 2 tonnes. Overall height 200mm easily attached via 4 x M10 Bolt fixing top plate. 160mm Heavy Duty Fixed Castors Polyurethane Wheel 700kg