caster Installation height:150mm Loading capacity:100kg Radius of rotation:101mm Material of wheel: material :PU and PP wheel size : 125x32mm Ball Bearing Caster fork: Material :Zinc on surface Link Spe. :1/2 inch screw/M12 Fork width:42mm OEM or ODM accepted. Used for various carts or barrow, such as supermarkets, professional market, big shoppng story. Any question about the escalator caster for shopping cart caster series please feel free to contact with us.