Retractable Castors, 1 SetProduct overview Retractable castors For CARINA examination tables with column height adjustment Compatible with Art Nos. 133887 and 133895 To secure tables against involuntary rolling 1 set Retractable Castors, 1 Set These retractable castors can be fitted to CARINA examination tables with column height adjustment (Art. Nos. 133887 and 133895). The castors can be folded by moving the lever, leaving the table secured against involuntary rolling.