Atlas Workholders: Pneumatic Tyre Poly Centre 300mm-25mmB Wheel Roller Bearing 220 - 300mm wheels have patterned tread (illustrated). 355 - 400mm wheels have ribbed tread style (not illustrated). Tyres: 4ply, maximum 30psi. MPN: PCP12-25RB EAN: 5036140265059 Pneumatic Tyre Poly Centre 300mm-25mmB Wheel Roller Bearing Attributes: Bearing Type: Roller Bore Size: 25mm Hub Width: 70mm Load Capacity: 150kg MFR Part No.: PCP12-25RB Tread Width: 100mm Tyre Material: Rubber Wheel Diameter: 300mm Wheel Material: Polypropylene Wheel Type: Pneumatic Rubber