These 50mm Bolt Hole Castors with black plastic wheels are designed for light-duty applications, offering a 55kg load capacity and an overall height of 70mm. The M8 bolt hole fitting makes them ideal for easy installation on point-of-sale displays, furniture, and display racks. These versatile castors provide smooth movement and reliability, making them perfect for a range of commercial and domestic uses. 50mm Bolt Hole Swivel Castors Black Plastic Wheel