A pull head connector in combination with a mounting device for an elongate flexible member, the pull head connector comprising: an outer housing having a tubular portion and a longitudinal axis; an attachment member comprising a body portion mounted in the outer housing and being displaceable along the longitudinal axis, first attachment means at a first end of the body portion for attachment to one end of a pull cable and second attachment means at a second end for attachment to one end of an elongate flexible member; the tubular portion of the outer housing comprising a plurality of through apertures, in each of which an engagement member is mounted, the apertures and the engagement members being configured to allow the engagement members to project partially beyond the tubular outer surface but to prevent them from passing through the apertures; the outer surface of the body portion of the attachment member comprising a plurality of recesses, each recess corresponding to a respective one of the apertures in the outer housing; and the attachment member being displaceable with respect to the outer housing between a first position in which the engagement members engage the attachment member and are displaced outwardly to project partially beyond the outer tubular surface of the outer housing and the second position in which the apertures are aligned with the recesses in the attachment member to allow the engagement members to be received in the recesses and to move radially inwardly; the connector further comprising biasing means which bias the attachment member towards the first position; the mounting device comprising an elongate through passage having a recess for releasable receipt of the engagement members of the pull head connector. an outer housing having a tubular portion and a longitudinal axis; an attachment member comprising a body portion mounted in the outer housing and being displaceable along the longitudinal axis, first attachment means at a first end of the body portion for attachment to one end of a pull cable and second attachment means at a second end for attachment to one end of an elongate flexible member; the tubular portion of the outer housing comprising a plurality of through apertures, in each of which an engagement member is mounted, the apertures and the engagement members being configured to allow the engagement members to project partially beyond the tubular outer surface but to prevent them from passing through the apertures; the outer surface of the body portion of the attachment member comprising a plurality of recesses, each recess corresponding to a respective one of the apertures in the outer housing; and the attachment member being displaceable with respect to the outer housing between a first position in which the engagement members engage the attachment member and are displaced outwardly to project partially beyond the outer tubular surface of the outer housing and the second position in which the apertures are aligned with the recesses in the attachment member to allow the engagement members to be received in the recesses and to move radially inwardly; the connector further comprising biasing means which bias the attachment member towards the first position; the mounting device comprising an elongate through passage having a recess for releasable receipt of the engagement members of the pull head connector.