3C series swivel castor with back hole for furniture, wheel width 20 mm, pack of 4, Ø 50 mm, TPR. Supplied = pre-assembled, final assembly by customer. Type of mounting = for plug-in connection. Wheel material = TPR. Application = furniture installation, production areas, industry. Wheel diameter = 50 mm. Overall height = 73 mm. Max. load = 50 kg. Product type = furniture castors. Wheel width = 20 mm. Wheel bearing = ball bearing. Housing surface = powder coated. Material of rim = plastic. Structure = swivel castor. Designer 3C castor with back hole. Ball bearings with thread guard. Soft running surface for hard/sensitive floor surfaces. Material The housing of the designer 3C castor is made of solid, powder coated industrial steel. The wheel is made of high quality plastic with a non-marking soft running surface made of thermoplastic elastomer. Technology + design The extraordinary designer 3C castor transforms furniture into exclusive and unique designer pieces in no time at all. The non-marking soft running surface of the wheel provides mobility on all hard/sensitive floor surfaces without leaving streaks or scratches. Fast and easy to mount: simply screw them on - and start rolling!