A connector (11) for connection to a hollow frame member (12) the connector having at least one projection (17) for receiving a complimentary end of the hollow frame member, the projection having raised portions (19) on an outer surface thereof and the projection is dimensioned relative to the hollow frame member such that force is required to fit the hollow end over the projection and during fitting the hollow end of the frame member is deformed about the projection so as to be internally engaged by the raised portions.