The TES 28 Magnam is a small recreational keelboat, built predominantly of fiberglass. It has a fractionalsloop rig, an internally-mounted spade-type rudder controlled by a tiller or optionally a wheel and a retractable centreboard or optional fixed keel. It displaces 6,400lb (2,903kg) and carries 1,980lb (898kg) of ballast.[1][4][2]