The S3712SPR from Richmond Wheel and Castor Co. is a swivel frame castor and features a nylon wheel. This swivel castor is part of our spring loaded gate range and can safely take loads up to 20kg. The S3712SPR wheel is fitted with plain bearings. This castors swivel frame allows full swivel rotation to enable steering. The nylon wheel diameter is 75mm, the wheel width is 25mm and can be ordered separately (NY3324).