Professional castor for commercial or occasional use 4" / 100mm swivel castor This listing is for 2 castors Each castor has 2 x roller bearings in the centre for maximum strength as well as being able to take a little bit more weight As well as this the roller bearing also allows for less friction to be caused making the trolley or whatever the castors are on easy to move 360 degree rotation on the castor Double ball bearing swivel head Ideal for a huge variety of uses from DIY to industrial applications Perfect for use on work benches, bookshelves, shopping carts etc... Heavy duty steep plate for strength and durability when attached Solid PVC wheels to prevent punctures and also to make the trolley more rigid and supported when using the castors PVC wheel / castor allows for a smooth movement as well as quiet rolling all whilst protecting the floor it is moving on as well Plastic centre 4 bolt plate fixings for maximum support on whatever trolley you make / fasten them to SPECIFICATIONS • Fixing plate size - 95mm x 65mm • Fixing hole centres - 75mm x 45mm • Fixing hole diameter - 7mm • Diameter of the wheel - 100mm • Width of the wheel - 30mm • Height from the bottom of the wheel to the top of the wheel - 130mm • Maximum load rating 130kg (per wheel) • Pack size - 2pc