The type of scaffold is best suited for work on smooth floor and typically used inside building. Castor available equipped with braking device.  The scaffold castor is designed to fit into the bottom of a standard. It feature a swivel facility and dual function locking mechanism which lock both swivel and rolling motion of the castor .For use when CUPLOCK erected as a mobile tower . The shank of the wheel fit into the base of the cuplock standard and secured with a Hexagonal head bolt.